Question:
SA: "Mary took out her flute and played one of her favorite pieces. She has had it since she was a child."

SB: "She has had the piece since she was a child."

Is SB true, based on SA?

Answer:
no

Question:
SA: "The customer walked into the bank and stabbed one of the tellers. He was immediately taken to the hospital."

SB: "The customer was immediately taken to the hospital."

Is SB true, based on SA?

Answer:
no

Question:
SA: "Paul tried to call George on the phone, but he wasn't successful."

SB: "Paul wasn't successful."

Is SB true, based on SA?

Answer:
yes

Question:
SA: "In July, Kamtchatka declared war on Yakutsk. Since Yakutsk's army was much better equipped and ten times larger, they were defeated within weeks."

SB: "Yakutsk was defeated within weeks."

Is SB true, based on SA?

Answer:
no