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

Answer: yes


Problem: If "Dr. Adams informed Kate that she had cancer and presented several options for future treatment.", does it follow that "Dr. Adams had cancer and presented several options for future treatment."?

Answer: no


Problem: If "Tom said "Check" to Ralph as he moved his bishop.", does it follow that "Tom said "Check" to Ralph as he moved Ralph's bishop."?

Answer: no


Problem: If "In the middle of the outdoor concert, the rain started falling, and it continued until 10.", does it follow that "The concert continued until 10."?

Answer:
no