Problem: If "Fred and Alice had very warm down coats, but they were not prepared for the cold in Alaska.", does it follow that "coats were not prepared for the cold in Alaska."?

Answer: no


Problem: If "The foxes are getting in at night and attacking the chickens. I shall have to kill them.", does it follow that "I shall have to kill The foxes."?

Answer: yes


Problem: If "Emma did not pass the ball to Janie although she was open.", does it follow that "She saw that Janie was open."?

Answer: yes


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 "Terpsichore was easier to pronounce."?

Answer:
no