Problem: If "The police arrested all of the gang members. They were trying to stop the drug trade in the neighborhood.", does it follow that "The gang members were trying to stop the drug trade in the neighborhood."?

Answer: no


Problem: If "This book introduced Shakespeare to Ovid; it was a major influence on his writing.", does it follow that "It was a major influence on Shakespeare's writing."?

Answer: yes


Problem: If "Joe has sold his house and bought a new one a few miles away. He will be moving into it on Thursday.", does it follow that "He will be moving into The old house on Thursday."?

Answer: no


Problem: If "Grace was happy to trade me her sweater for my jacket. She thinks it looks dowdy on her.", does it follow that "The jacket looks dowdy on her."?

Answer:
no