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: uncle(charles, richard) |  | 4 | 2: Searching: uncle(charles, richard)
| 5 | 3: Searching: sibling(charles, Candidate Variable_0) |  | 5 | 3: Searching: sibling(charles, Candidate Variable_0)
| 6 | 4: Found: sibling(charles, mary) |  | 6 | 4: Found: sibling(charles, mary)
| 7 | 5: Searching: parent(mary, richard) |  | 7 | 5: Searching: parent(mary, richard)
| 8 | 6: Fail: parent(mary, richard) | {'Result': 'Search Failed'} |  | 8 | 6: Fail: parent(mary, richard) | {'Result': 'Search Failed'}
n | 9 | 7: Redo: sibling(charles, Candidate Variable_0) | n | 9 | 7: Fail: uncle(charles, richard) | {'Result': 'Search Failed'}
|  |  |  | 10 | 8: Fail: query | {'Result': 'Search Failed'}
| 10 |  |  | 11 |
t | 11 | [Path 2]: | t |  |
| 12 | 8: Found: sibling(charles, oscar) |  |  |
| 13 | 9: Searching: parent(oscar, richard) |  |  |
| 14 | 10: Fail: parent(oscar, richard) | {'Result': 'Search Failed'} |  |  |
| 15 | 11: Redo: sibling(charles, Candidate Variable_0) |  |  |
| 16 |  |  |  |
| 17 | [Path 3]: |  |  |
| 18 | 12: Found: sibling(charles, daniel) |  |  |
| 19 | 13: Searching: parent(daniel, richard) |  |  |
| 20 | 14: Fail: parent(daniel, richard) | {'Result': 'Search Failed'} |  |  |
| 21 | 15: Redo: sibling(charles, Candidate Variable_0) |  |  |
| 22 |  |  |  |
| 23 | [Path 4]: |  |  |
| 24 | 16: Found: sibling(charles, ellen) |  |  |
| 25 | 17: Searching: parent(ellen, richard) |  |  |
| 26 | 18: Fail: parent(ellen, richard) | {'Result': 'Search Failed'} |  |  |
| 27 | 19: Redo: sibling(charles, Candidate Variable_0) |  |  |
| 28 |  |  |  |
| 29 | [Path 5]: |  |  |
| 30 | 20: Found: sibling(charles, joel) |  |  |
| 31 | 21: Searching: parent(joel, richard) |  |  |
| 32 | 22: Found: parent(joel, richard) |  |  |
| 33 | 23: Found: uncle(charles, richard) |  |  |
| 34 | 24: Found: query | {'Result': 'truth = True'} |  |  |

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