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: grandfather(christian, william) |  | 4 | 2: Searching: grandfather(christian, william)
| 5 | 3: Searching: parent(christian, Candidate Variable_0) |  | 5 | 3: Searching: parent(christian, Candidate Variable_0)
| 6 | 4: Found: parent(christian, pennie) |  | 6 | 4: Found: parent(christian, pennie)
| 7 | 5: Searching: sibling(pennie, Candidate Variable_1) |  | 7 | 5: Searching: sibling(pennie, Candidate Variable_1)
n | 8 | 6: Found: sibling(pennie, sean) | n | 8 | 6: Fail: sibling(pennie, Candidate Variable_1) | {'Result': 'Search Failed'}
| 9 | 7: Searching: parent(sean, william) |  | 9 | 7: Fail: grandfather(christian, william) | {'Result': 'Search Failed'}
| 10 | 8: Fail: parent(sean, william) |  |  |
| 11 | 9: Fail: grandfather(christian, william) |  |  |
| 12 | 10: Fail: query | {'Result': 'Search Failed'} |  | 10 | 8: Fail: query | {'Result': 'Search Failed'}
| 13 |  |  | 11 |
t | 14 | [Path 2]: | t |  |
| 15 | 11: Redo: parent(christian, Candidate Variable_0) |  |  |
| 16 | 12: Found: parent(christian, pennie) |  |  |
| 17 | 13: Searching: sibling(pennie, jonathan) |  |  |
| 18 | 14: Fail: sibling(pennie, jonathan) |  |  |
| 19 | 15: Fail: grandfather(christian, william) |  |  |
| 20 | 16: Fail: query | {'Result': 'Search Failed'} |  |  |
| 21 |  |  |  |
| 22 | [Path 3]: |  |  |
| 23 | 17: Redo: parent(christian, Candidate Variable_0) |  |  |
| 24 | 18: Found: parent(christian, pennie) |  |  |
| 25 | 19: Searching: sibling(pennie, Candidate Variable_1) |  |  |
| 26 | 20: Found: sibling(pennie, Candidate Variable_1) |  |  |
| 27 | 21: Searching: parent(Candidate Variable_1, william) |  |  |
| 28 | 22: Found: parent(jonathan, william) |  |  |
| 29 | 23: Found: grandfather(christian, william) |  |  |
| 30 | 24: Found: query | {'Result': 'truth = True'} |  |  |
| 31 |  |  |  |
| 32 | Looking for other paths: Redo: sibling(pennie, Candidate Variable_1) |  |  |
| 33 |  |  |  |
| 34 | [Path 4]: |  |  |
| 35 | 25: Searching: sibling(pennie, sean) |  |  |
| 36 | 26: Searching: parent(sean, william) |  |  |
| 37 | 27: Fail: parent(sean, william) |  |  |
| 38 | 28: Fail: grandfather(christian, william) |  |  |
| 39 | 29: Fail: query | {'Result': 'Search Failed'} |  |  |
| 40 |  |  |  |
| 41 | [Path 5]: |  |  |
| 42 | 30: Redo: sibling(pennie, Candidate Variable_1) |  |  |
| 43 | 31: Found: No more transformations |  |  |
| 44 |  |  |  |
| 45 | [Path 6]: |  |  |
| 46 | 32: Redo: parent(christian, Candidate Variable_0) |  |  |
| 47 | 33: Fail: parent(christian, Candidate Variable_0) |  |  |
| 48 | 34: Fail: grandfather(christian, william) |  |  |
| 49 | 35: Fail: query | {'Result': 'Search Failed'} |  |  |
| 50 |  |  |  |
| 51 | [Path 7]: |  |  |
| 52 | 36: Searching: wife(cristina, jonathan) |  |  |
| 53 | 37: Found: wife(cristina, jonathan) |  |  |
| 54 | 38: Searching: parent(jonathan, Candidate Variable_2) |  |  |
| 55 | 39: Found: parent(jonathan, william) |  |  |
| 56 | 40: Searching: parent(cristina, william) |  |  |
| 57 | 41: Found: parent(cristina, william) |  |  |
| 58 | 42: Found: grandfather(christian, william) |  |  |
| 59 | 43: Found: query | {'Result': 'truth = True'} |  |  |
| 60 |  |  |  |
| 61 | Looking for other paths: Redo: parent(jonathan, Candidate Variable_2) |  |  |
| 62 |  |  |  |
| 63 |  |  |  |
| 64 | [Path 8]: |  |  |
| 65 | 44: Redo: parent(jonathan, Candidate Variable_2) |  |  |
| 66 | 45: Fail: parent(jonathan, Candidate Variable_2) |  |  |
| 67 | 46: Fail: grandfather(christian, william) |  |  |
| 68 | 47: Fail: query | {'Result': 'Search Failed'} |  |  |
| 69 |  |  |  |
| 70 | [Path 9]: |  |  |
| 71 | 48: Searching: parent(cristina, william) |  |  |
| 72 | 49: Found: parent(cristina, william) |  |  |
| 73 | 50: Found: grandfather(christian, william) |  |  |
| 74 | 51: Found: query | {'Result': 'truth = True'} |  |  |

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