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: paternal_grandparent(william, connie) |  | 4 | 2: Searching: paternal_grandparent(william, connie)
| 5 | 3: Searching: parent(william, Candidate Variable_0) |  | 5 | 3: Searching: parent(william, Candidate Variable_0)
| 6 | 4: Found: parent(william, timothy) |  | 6 | 4: Found: parent(william, timothy)
| 7 | 5: Searching: sibling(timothy, connie) |  | 7 | 5: Searching: sibling(timothy, connie)
n | 8 | 6: Fail: sibling(timothy, connie) | n | 8 | 6: Fail: sibling(timothy, connie) | {'Result': 'Search Failed'}
| 9 | 7: Fail: paternal_grandparent(william, connie) |  | 9 | 7: Fail: paternal_grandparent(william, connie) | {'Result': 'Search Failed'}
| 10 | 8: Fail: query |  | 10 | 8: Fail: query | {'Result': 'Search Failed'}
| 11 |  |  | 11 |
t | 12 | [Path 2]: | t |  |
| 13 | 9: Searching: paternal_grandparent(william, christina) |  |  |
| 14 | 10: Searching: parent(william, Candidate Variable_1) |  |  |
| 15 | 11: Found: parent(william, timothy) |  |  |
| 16 | 12: Searching: sibling(timothy, christina) |  |  |
| 17 | 13: Found: sibling(timothy, christina) |  |  |
| 18 | 14: Found: paternal_grandparent(william, christina) |  |  |
| 19 | 15: Fail: query |  |  |
| 20 |  |  |  |
| 21 | [Path 3]: |  |  |
| 22 | 16: Searching: paternal_grandparent(william, Candidate Variable_2) |  |  |
| 23 | 17: Searching: parent(william, timothy) |  |  |
| 24 | 18: Searching: sibling(timothy, Candidate Variable_3) |  |  |
| 25 | 19: Found: sibling(timothy, christina) |  |  |
| 26 | 20: Found: paternal_grandparent(william, christina) |  |  |
| 27 | 21: Found: query | {'Result': 'Search Failed'} |  |  |

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