Problem: If "Emma's mother had died long ago, and her place had been taken by an excellent woman as governess.", does it follow that "Emma's place had been taken by an excellent woman as governess."?

Answer: no


Problem: If "Since Chester was dependent on Uncle Vernon, he couldn't very well marry without his approval", does it follow that "He couldn't very well marry without Chester's approval"?

Answer: no


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

Answer: yes


Problem: If "Look! There is a shark swimming right below that duck! It had better get away to safety fast!", does it follow that "The duck had better get away to safety fast!"?

Answer:
yes