Problem: If "Susan knew that Ann's son had been in a car accident, so she told her about it.", does it follow that "Susan told her about it."?

Answer: yes


Problem: If "Dan had to stop Bill from toying with the injured bird. He is very cruel.", does it follow that "Bill is very cruel."?

Answer: yes


Problem: If "The fish ate the worm. It was tasty.", does it follow that "The fish was tasty."?

Answer: no


Problem: If "Lionel is holding captive a scientist, Dr. Vardi, who has invented a device that turns animals invisible; Lionel plans to use it on Geoffrey and send him to steal nuclear material from an army vault.", does it follow that "Lionel plans to use it on Geoffrey and send Lionel to steal nuclear material from an army vault."?

Answer:
no