story: [Otto] was proud to attend [Tammy]'s graduation. He was very proud to have raised her into a successful young adult. [Tammy] and her husband [William] celebrated their anniversary last night. They went out to a nice restaurant to celebrate. [Otto] is helping his son study. His name is [Dana].
query: ('Otto', 'William')
clean_story: [Otto] was proud to attend [Tammy]'s graduation. He was very proud to have raised her into a successful young adult. [Tammy] and her husband [William] celebrated their anniversary last night. They went out to a nice restaurant to celebrate.
proof_state: [{('Otto', 'son-in-law', 'William'): [('Otto', 'daughter', 'Tammy'), ('Tammy', 'husband', 'William')]}]