Question: Field Reporter Chris Johnson interviewed Corporal Mason because he can provide information from fighting on the front line.
Based on this sentence, who is he?

Answer: Corporal Mason

Question: Jim was staring at the guy with the snowboard, because he was doing tricks.
Based on this sentence, who is he?

Answer: the guy

Question: The police arrested the criminals since they break the law.
Based on this sentence, who is they?

Answer: the criminals

Question: A biker sped past an officer and he turned on his siren.
Based on this sentence, who is he?

Answer:
an officer