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: great_grandparent(kevin, brittney) |  | 4 | 2: Searching: great_grandparent(kevin, brittney)
| 5 | 3: Searching: parent(kevin, Candidate Variable_0) |  | 5 | 3: Searching: parent(kevin, Candidate Variable_0)
n | 6 | 4: Found: parent(kevin, elizabeth) | n | 6 | 4: Fail: parent(kevin, Candidate Variable_0) | {'Result': 'Search Failed'}
| 7 | 5: Searching: sibling(elizabeth, brittney) |  | 7 | 5: Fail: great_grandparent(kevin, brittney) | {'Result': 'Search Failed'}
| 8 | 6: Found: sibling(elizabeth, brittney) |  | 8 | 6: Fail: query | {'Result': 'Search Failed'}
| 9 | 7: Searching: parent(elizabeth, brittney) |  |  |
| 10 | 8: Fail: parent(elizabeth, brittney) |  |  |
| 11 | 9: Fail: great_grandparent(kevin, brittney) |  |  |
| 12 | 10: Fail: query |  |  |
| 13 |  |  | 9 |
t | 14 | [Path 2]: | t |  |
| 15 | 11: Redo: sibling(elizabeth, brittney) |  |  |
| 16 | 12: Found: sibling(elizabeth, brittney) |  |  |
| 17 | 13: Searching: parent(brittney, elizabeth) |  |  |
| 18 | 14: Fail: parent(brittney, elizabeth) |  |  |
| 19 | 15: Fail: great_grandparent(kevin, brittney) |  |  |
| 20 | 16: Fail: query |  |  |

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