Sentence1: Hal and Judy were moving into a new home with their son. Sentence2: They spent the whole day packing everything up. Sentence3: When they were ready, Judy and the son travelled to the new home. Sentence4: Hal followed behind them with a moving van. 
 (A) Judy and the son arrived shortly before Hal. (B) Hal turned around and went back to the old house to live alone.
A