f | [Path 1]: | f | [Path 1]: |
n | 0: Start of execution | n | 0: Start of execution: Beginning Search |
| 1: Searching: query | | 1: Searching: query |
n | 2: Searching: sibling(S1, S2) | n | 2: Searching: sibling(Candidate Variable_0, Candidate Variable_1) |
| 3: Searching: brother(william, S2) | | 3: Searching: brother(Candidate Variable_0, Candidate Variable_1) |
| 4: Found: brother(william, richard) | | 4: Found: brother(william, richard) |
n | 5: Searching: parent(richard, C2) | n | |
| 6: Found: parent(richard, kimberley) | | |
| 7: Searching: grandchild(cornelius, GP) | | |
| 8: Searching: parent(GP, Z) | | |
| 9: Found: parent(frank, cornelius) | | |
| 10: Searching: parent(Z, cornelius) | | |
| 11: Found: cornelius=cornelius | | |
| 12: Searching: grandchild(C2, GP) | | |
| 13: Searching: parent(GP, Z2) | | |
| 14: Found: GP=frank, Z2=cornelius | | |
| 15: Searching: parent(frank, C2) | | |
| 16: Found: C2=kimberley | | |
| 17: Searching: relation(C1, C2) | | |
| 18: Searching: sibling(C1, Z3) | | |
| 19: Searching: brother(C1, Z3) | | |
| 20: Found: C1=william, Z3=richard | | |
| 21: Searching: sibling(william, richard) | | 5: Found: sibling(william, richard) |
| 22: Found: william=william, richard=richard | | 6: Searching: parent(william, Candidate Variable_2) |
| 23: Found: relation(william, kimberley) | | 7: Fail: parent(william, Candidate Variable_2) | {'Result': 'Search Failed'} |
| 24: Found: query | {'Result': 'truth = True'} | | |
| | | Looking for other paths: Redo: brother(Candidate Variable_0, Candidate Variable_1) |
| | | |
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t | The search paths help confirm that Kimberley and Cornelius are indeed second cousins, as the code successfully establishes their relationship through shared parents (William and Richard) and grandparents (Frank). | t | [Path 2]: |
| | | 8: Found: brother(william, frank) |
| | | 9: Found: sibling(william, frank) |
| | | 10: Searching: parent(william, Candidate Variable_3) |
| | | 11: Fail: parent(william, Candidate Variable_3) | {'Result': 'Search Failed'} |
| | | 12: Fail: query | {'Result': 'Search Failed'} |
| | | |