IN:
Multi-choice problem: [it]

The government placed a tax on the product so it got more expensive.

OUT:
the product


IN:
Multi-choice problem: [they]

The Roman legion attacked the Persians because they felt threatened.

OUT:
The Roman legion


IN:
Multi-choice problem: [they]

The game distribution platform "Origin" will have exclusive EA games that competitor "Steam" will not have, because they are trying to entice users to their platform.

OUT:
Origin


IN:
Multi-choice problem: [he]

The gun owner fired at the burglar because he stole items.

OUT:

the burglar