story: [Preston] wanted to get a good gift for his sister, [Nancy] [Preston] is taking his son [Brian] out for coffee. [Maria] was excited for today, its her daughter's, [Nancy], spring break. She will finally get to see her.
query: ('Preston', 'Maria')
clean_story: [Preston] wanted to get a good gift for his sister, [Nancy] [Maria] was excited for today, its her daughter's, [Nancy], spring break. She will finally get to see her.
proof_state: [{('Preston', 'niece', 'Maria'): [('Preston', 'sister', 'Nancy'), ('Nancy', 'daughter', 'Maria')]}]