Question:
I chopped down the tree with my axe because it was sharp.

it
OPTIONS:
- the tree
- my axe
Answer:
my axe
Question:
The US president had a meeting with the Chinese president, where he told him not to interfere with China's internal policy.

he
OPTIONS:
- The US president
- the Chinese president
Answer:
the Chinese president
Question:
The plane shot the rocket at the target, then it blew up.

it
OPTIONS:
- the rocket
- the target
Answer:
the target
Question:
Doctor Chen prescribed glasses to Egore, since he conducted the eye exam.

he
OPTIONS:
- Doctor Chen
- Egore
Answer:
Doctor Chen