The salesman sold a hot tub to the customer because he was looking for something to use and soak in.

Who is "he" in this prior sentence?
OPTIONS:
- The salesman
- the customer
the customer
Hybrid cars produce less pollution than diesel trucks because they use pure gasoline.

Who is "they" in this prior sentence?
OPTIONS:
- Hybrid cars
- diesel trucks
diesel trucks
The bird ate the pie and it died.

Who is "it" in this prior sentence?
OPTIONS:
- The bird
- the pie
The bird