Q: The squirrels buried the nuts so they would not get lost.
Who they is?
A: the nuts

Q: The Texas Rangers lost the World Series to the Cardinals because they were outplayed in two of the most important games in the series.
Who they is?
A: The Texas Rangers

Q: Lorenze took his son to the hospital because he fell off his bike and hurt his leg.
Who he is?
A:
his son