Problem: If "Jim comforted Kevin because he was so upset.", does it follow that "Kevin was so upset."?

Answer: yes

Problem: If "Joe paid the detective after he delivered the final report on the case.", does it follow that "Joe delivered the final report on the case."?

Answer: no

Problem: If "Bob paid for Charlie's college education, but now Charlie acts as though it never happened. He is very ungrateful.", does it follow that "Charlie is very ungrateful."?

Answer: yes

Problem: If "Fred is the only man still alive who remembers my great-grandfather. He was a remarkable man.", does it follow that "My great-grandfather was a remarkable man."?

Answer:
yes