story: [Dana]'s sister [Ellen] asked him for some help planting her garden. [Tammy] asked her sister, [Ellen], if she could help her move some boxes for [Tammy]'s grandmother, [Michelle].
query: ('Ellen', 'Michelle')
clean_story: [Tammy] asked her sister, [Ellen], if she could help her move some boxes for [Tammy]'s grandmother, [Michelle].
proof_state: [{('Ellen', 'grandmother', 'Michelle'): [('Ellen', 'sister', 'Tammy'), ('Tammy', 'grandmother', 'Michelle')]}]