Question:
Sentence 1: "Sam pulled up a chair to the piano, but it was broken, so he had to sing instead."
Sentence 2: "The piano was broken, so he had to sing instead."
Is sentence 2 true, based on sentence 1?

ANS:
yes

Question:
Sentence 1: "The table won't fit through the doorway because it is too wide."
Sentence 2: "The table is too wide."
Is sentence 2 true, based on sentence 1?

ANS:
yes

Question:
Sentence 1: "Then Dad figured out how much the man owed the store; to that he added the man's board-bill at the cook-shanty. He subtracted that amount from the man's wages, and made out his check"
Sentence 2: "Dad subtracted that amount from the man's wages."
Is sentence 2 true, based on sentence 1?

ANS:
yes

Question:
Sentence 1: "Tom gave Ralph a lift to school so he wouldn't have to walk."
Sentence 2: "Ralph wouldn't have to walk."
Is sentence 2 true, based on sentence 1?
ANS:
yes