Question:
Mary stabbed Jennifer, so John reported her to the police.

her
Answer:
Mary
Question:
Hunters excel in tracking animals because they can see the trail they leave in the forest.

they
Answer:
Hunters
Question:
Allen chased the leprechaun because he wanted a pot of gold.

he
Answer:
Allen
Question:
The cow ran into the fence and it got hurt.

it
Answer:

The cow