Question: If "I was trying to open the lock with the key, but someone had filled the keyhole with chewing gum, and I couldn't get it in.", can we conclude that "I couldn't get the chewing gum in."?
Answer: no

Question: If "John couldn't see the stage with Billy in front of him because he is so tall.", can we conclude that "John is so tall."?
Answer: no

Question: If "Jane knocked on the door, and Susan answered it. She invited her to come out.", can we conclude that "Jane invited her to come out."?
Answer:
yes