story: [Scott] and his sister [Sheila] stood in line at the fair. [Lisa] asked her son [Scott] to take her car to get the oil changed and he said he would be there around 2 o'clock.
query: ('Sheila', 'Lisa')
clean_story: [Scott] and his sister [Sheila] stood in line at the fair. [Lisa] asked her son [Scott] to take her car to get the oil changed and he said he would be there around 2 o'clock.
proof_state: [{('Sheila', 'mother', 'Lisa'): [('Sheila', 'brother', 'Scott'), ('Scott', 'mother', 'Lisa')]}]