Problem: Sentence: "I couldn't get the chewing gum in."; Another sentence: "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."?
A: no

Problem: Sentence: "Dora asked what the sound was."; Another sentence: "Even before they reached town, they could hear a sound like corn popping. Dora asked what it was, and Dad said it was firecrackers."?
A: yes

Problem: Sentence: "Sid couldn't convince him."; Another sentence: "Sid explained his theory to Mark but he couldn't convince him."?
A:
yes