A biker sped past an officer and he turned on his siren.

Who is "he" in this prior sentence?
OPTIONS:
- A biker
- an officer
an officer
The man gave the beggar some money because he was very generous.

Who is "he" in this prior sentence?
OPTIONS:
- The man
- the beggar
The man
The US Health inspection board shut down several food factories, but they discovered that many rules and regulations were violated.

Who is "they" in this prior sentence?
OPTIONS:
- The US Health inspection board
- several food factories
The US Health inspection board