Problem: If "The actress used to be named Terpsichore, but she changed it to Tina a few years ago, because she figured it was easier to pronounce.", does it follow that "Tina was easier to pronounce."?

Answer: yes


Problem: If "Sam pulled up a chair to the piano, but it was broken, so he had to sing instead.", does it follow that "The piano was broken, so he had to sing instead."?

Answer: yes


Problem: If "Since it was raining, I carried the newspaper over my backpack to keep it dry.", does it follow that "I carried the newspaper over my backpack to keep the newspaper dry."?

Answer: no


Problem: If "When the sponsors of the bill got to the town hall, they were surprised to find that the room was full of opponents. They were very much in the minority.", does it follow that "The opponents were very much in the minority."?

Answer:
no