story: [Maria] loved her mother [Nancy]. She was heartbroken when she heard [Nancy] had suddenly passed away. [Robert] and his sister [Maria] went out for coffee. [Maria] asked her brother [Jess] if he wanted them to bring him anything back, but he said no.
query: ('Robert', 'Jess')
clean_story: [Robert] and his sister [Maria] went out for coffee. [Maria] asked her brother [Jess] if he wanted them to bring him anything back, but he said no.
proof_state: [{('Robert', 'brother', 'Jess'): [('Robert', 'sister', 'Maria'), ('Maria', 'brother', 'Jess')]}]