Problem: If "I put the cake away in the refrigerator. It has a lot of leftovers in it.", does it follow that "The cake has a lot of leftovers in it."?

Answer: no


Problem: If "Fred watched TV while George went out to buy groceries. After an hour he got back.", does it follow that "George got back."?

Answer: yes


Problem: If "Sam Goodman's biography of the Spartan general Xenophanes conveys a vivid sense of the difficulties he faced in his research.", does it follow that "Sam Goodman's biography of the Spartan general Xenophanes conveys a vivid sense of the difficulties Xenophanes faced in his research."?

Answer: no


Problem: If "I couldn't find a spoon, so I tried using a pen to stir my coffee. But that turned out to be a bad idea, because it got full of coffee.", does it follow that "The coffee got full of coffee."?

Answer:
no