Question: If "Bob paid for Charlie's college education, but now Charlie acts as though it never happened. He is very ungrateful.", can we conclude that "Bob is very ungrateful."?
Answer: no

Question: If "The journalists interviewed the stars of the new movie. They were very cooperative, so the interview lasted for a long time.", can we conclude that "The journalists were very cooperative, so the interview lasted for a long time."?
Answer: no

Question: If "I couldn't find a spoon, so I tried using a pen to stir my coffee. But that turned out to be a bad idea, because it got full of coffee.", can we conclude that "The pen got full of coffee."?
Answer:
yes