f | 1 | [Path 1]: | f | 1 | [Path 1]:
| 2 | 0: Start of execution: Beginning Search |  | 2 | 0: Start of execution: Beginning Search
| 3 | 1: Searching: query |  | 3 | 1: Searching: query
| 4 | 2: Searching: sibling(mary, thomas) |  | 4 | 2: Searching: sibling(mary, thomas)
| 5 | 3: Searching: parent(Candidate Variable_0, mary) |  | 5 | 3: Searching: parent(Candidate Variable_0, mary)
n | 6 | 4: Fail: parent(gregory, mary) | n | 6 | 4: Fail: parent(Candidate Variable_0, mary) | {'Result': 'Search Failed'}
| 7 | 5: Searching: parent(Candidate Variable_1, thomas) |  | 7 |
| 8 | 6: Fail: parent(gregory, thomas) |  | 8 | Looking for other paths: Redo: sibling(mary, thomas)
| 9 | 7: Searching: married(Candidate Variable_2, mary) |  |  |
| 10 | 8: Fail: married(gregory, mary) |  |  |
| 11 | 9: Searching: married(Candidate Variable_3, thomas) |  |  |
| 12 | 10: Fail: married(gregory, thomas) |  |  |
| 13 | 11: Fail: sibling(mary, thomas) |  |  |
| 14 | 12: Fail: query | {'Result': 'Search Failed'} |  |  |
| 15 |  |  | 9 |
| 16 |  |  | 10 |
| 17 | [Path 2]: |  | 11 | [Path 2]:
n | 18 | 13: Found: parent(gregory, mary) | n |  |
| 19 | 14: Searching: parent(gregory, thomas) |  |  |
| 20 | 15: Found: parent(gregory, thomas) |  |  |
| 21 | 16: Searching: married(mary, Candidate Variable_4) |  | 12 | 5: Searching: married(mary, Candidate Variable_1)
| 22 | 17: Fail: married(mary, Candidate Variable_4) |  | 13 | 6: Fail: married(mary, Candidate Variable_1) | {'Result': 'Search Failed'}
| 23 | 18: Searching: married(thomas, Candidate Variable_5) |  |  |
| 24 | 19: Fail: married(thomas, Candidate Variable_5) |  |  |
| 25 | 20: Fail: sibling(mary, thomas) | {'Result': 'Search Failed'} |  | 14 | 7: Fail: sibling(mary, thomas) | {'Result': 'Search Failed'}
| 26 | 21: Fail: query | {'Result': 'Search Failed'} |  | 15 | 8: Fail: query | {'Result': 'Search Failed'}
| 27 |  |  | 16 |
t | 28 |  | t |  |
| 29 | [Path 3]: |  |  |
| 30 | 22: Searching: sibling(christopher, mary) |  |  |
| 31 | 23: Searching: parent(Candidate Variable_6, christopher) |  |  |
| 32 | 24: Found: parent(gregory, christopher) |  |  |
| 33 | 25: Searching: parent(gregory, mary) |  |  |
| 34 | 26: Fail: parent(gregory, mary) |  |  |
| 35 | 27: Searching: married(christopher, Candidate Variable_7) |  |  |
| 36 | 28: Fail: married(christopher, Candidate Variable_7) |  |  |
| 37 | 29: Searching: married(mary, Candidate Variable_8) |  |  |
| 38 | 30: Fail: married(mary, Candidate Variable_8) |  |  |
| 39 | 31: Fail: sibling(christopher, mary) |  |  |
| 40 | 32: Fail: sibling(mary, thomas) |  |  |
| 41 | 33: Fail: query | {'Result': 'Search Failed'} |  |  |
| 42 |  |  |  |
| 43 |  |  |  |
| 44 | [Path 4]: |  |  |
| 45 | 34: Found: parent(gregory, cecil) |  |  |
| 46 | 35: Searching: parent(gregory, thomas) |  |  |
| 47 | 36: Found: parent(gregory, thomas) |  |  |
| 48 | 37: Searching: sibling(cecil, mary) |  |  |
| 49 | 38: Searching: parent(gregory, mary) |  |  |
| 50 | 39: Fail: parent(gregory, mary) |  |  |
| 51 | 40: Searching: parent(Candidate Variable_9, thomas) |  |  |
| 52 | 41: Found: parent(gregory, thomas) |  |  |
| 53 | 42: Searching: married(cecil, Candidate Variable_10) |  |  |
| 54 | 43: Fail: married(cecil, Candidate Variable_10) |  |  |
| 55 | 44: Searching: married(mary, Candidate Variable_11) |  |  |
| 56 | 45: Fail: married(mary, Candidate Variable_11) |  |  |
| 57 | 46: Fail: sibling(cecil, mary) |  |  |
| 58 | 47: Fail: sibling(mary, thomas) |  |  |
| 59 | 48: Fail: query | {'Result': 'Search Failed'} |  |  |
| 60 |  |  |  |
| 61 |  |  |  |
| 62 | [Path 5]: |  |  |
| 63 | 49: Found: parent(gregory, thomas) |  |  |
| 64 | 50: Searching: sibling(christopher, thomas) |  |  |
| 65 | 51: Found: sibling(christopher, thomas) |  |  |
| 66 | 52: Found: sibling(mary, thomas) |  |  |
| 67 | 53: Found: query | {'Result': 'truth = True'} |  |  |
| 68 |  |  |  |
| 69 |  |  |  |
| 70 | Looking for other paths: Redo: sibling(christopher, thomas) |  |  |
| 71 |  |  |  |
| 72 |  |  |  |
| 73 | [Path 6]: |  |  |
| 74 | 54: Searching: parent(Candidate Variable_12, christopher) |  |  |
| 75 | 55: Found: parent(gregory, christopher) |  |  |
| 76 | 56: Searching: parent(gregory, thomas) |  |  |
| 77 | 57: Found: parent(gregory, thomas) |  |  |
| 78 | 58: Searching: married(christopher, Candidate Variable_13) |  |  |
| 79 | 59: Fail: married(christopher, Candidate Variable_13) |  |  |
| 80 | 60: Searching: married(thomas, Candidate Variable_14) |  |  |
| 81 | 61: Fail: married(thomas, Candidate Variable_14) |  |  |
| 82 | 62: Fail: sibling(christopher, thomas) |  |  |
| 83 | 63: Fail: sibling(mary, thomas) |  |  |
| 84 | 64: Fail: query | {'Result': 'Search Failed'} |  |  |
| 85 |  |  |  |
| 86 |  |  |  |
| 87 | [Path 7]: |  |  |
| 88 | 65: Searching: sibling(daniel, thomas) |  |  |
| 89 | 66: Searching: parent( |  |  |

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