Problem: If "Bob collapsed on the sidewalk. Soon he saw Carl coming to help. He was very concerned.", is "Carl was very concerned." correct?

Answer: yes


Problem: If "The actress used to be named Terpsichore, but she changed it to Tina a few years ago, because she figured it was easier to pronounce.", is "Tina was easier to pronounce." correct?

Answer: yes


Problem: If "We went to the lake, because a shark had been seen at the ocean beach, so it was a safer place to swim.", is "The ocean beach was a safer place to swim." correct?

Answer:
no