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: international_border(usa, canada) |  | 4 | 2: Searching: international_border(usa, canada)
n | 5 | 3: Searching: usa\=canada | n | 5 | 3: Searching: usa=canada
| 6 | 4: Searching: usa\=canada |  | 6 | 4: Fail: usa=canada | {'Result': 'Search Failed'}
|  |  |  | 7 |
|  |  |  | 8 | Looking for other paths: Redo: international_border(usa, canada)
|  |  |  | 9 |
|  |  |  | 10 |
|  |  |  | 11 | [Path 2]:
|  |  |  | 12 | 5: Found: international_border(usa, canada)
| 7 | 5: Searching: lake_border(Lake, usa, canada) |  | 13 | 6: Searching: lake_border(Candidate Variable_0, usa, canada)
| 8 | 6: Searching: lake_border(superior, usa, canada) |  | 14 | 7: Found: lake_border(superior, usa, canada)
| 9 | 7: Searching: great_lake(superior) |  |  |
| 10 | 8: Searching: great_lake(superior) |  | 15 | 8: Searching: great_lake(superior)
n | 11 | 9: Searching: lake_border(michigan, usa, canada) | n | 16 | 9: Found: great_lake(superior)
|  |  |  | 17 | 10: Found: query | {'Result': 'Yes'}
|  |  |  | 18 |
|  |  |  | 19 | Looking for other paths: Redo: lake_border(Candidate Variable_0, usa, canada)
|  |  |  | 20 |
|  |  |  | 21 |
|  |  |  | 22 | [Path 3]:
| 12 | 10: Searching: lake_border(michigan, usa, canada) |  | 23 | 11: Found: lake_border(michigan, usa, canada)
| 13 | 11: Searching: great_lake(michigan) |  |  |
| 14 | 12: Searching: great_lake(michigan) |  | 24 | 12: Searching: great_lake(michigan)
n |  |  | n | 25 | 13: Found: great_lake(michigan)
|  |  |  | 26 | 14: Found: query | {'Result': 'Yes'}
|  |  |  | 27 |
|  |  |  | 28 | Looking for other paths: Redo: lake_border(Candidate Variable_0, usa, canada)
|  |  |  | 29 |
|  |  |  | 30 |
|  |  |  | 31 | [Path 4]:
| 15 | 13: Searching: lake_border(huron, usa, canada) |  | 32 | 15: Found: lake_border(huron, usa, canada)
| 16 | 14: Searching: lake_border(huron, usa, canada) |  |  |
| 17 | 15: Searching: great_lake(huron) |  |  |
| 18 | 16: Searching: great_lake(huron) |  | 33 | 16: Searching: great_lake(huron)
n |  |  | n | 34 | 17: Found: great_lake(huron)
|  |  |  | 35 | 18: Found: query | {'Result': 'Yes'}
|  |  |  | 36 |
|  |  |  | 37 | Looking for other paths: Redo: lake_border(Candidate Variable_0, usa, canada)
|  |  |  | 38 |
|  |  |  | 39 |
|  |  |  | 40 | [Path 5]:
| 19 | 17: Searching: lake_border(erie, usa, canada) |  | 41 | 19: Found: lake_border(erie, usa, canada)
| 20 | 18: Searching: lake_border(erie, usa, canada) |  |  |
| 21 | 19: Searching: great_lake(erie) |  |  |
| 22 | 20: Searching: great_lake(erie) |  | 42 | 20: Searching: great_lake(erie)
n |  |  | n | 43 | 21: Found: great_lake(erie)
|  |  |  | 44 | 22: Found: query | {'Result': 'Yes'}
|  |  |  | 45 |
|  |  |  | 46 | Looking for other paths: Redo: lake_border(Candidate Variable_0, usa, canada)
|  |  |  | 47 |
|  |  |  | 48 |
|  |  |  | 49 | [Path 6]:
| 23 | 21: Searching: lake_border(ontario, usa, canada) |  | 50 | 23: Found: lake_border(ontario, usa, canada)
| 24 | 22: Searching: lake_border(ontario, usa, canada) |  |  |
| 25 | 23: Searching: great_lake(ontario) |  |  |
| 26 | 24: Searching: great_lake(ontario) |  | 51 | 24: Searching: great_lake(ontario)
t |  |  | t | 52 | 25: Found: great_lake(ontario)
| 27 | 25: Searching: query | {'Result': 'yes'} |  | 53 | 26: Found: query | {'Result': 'Yes'}
|  |  |  | 54 |

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