Question: DC Universe went free to play while World of Warcraft is subscription based, because they have maintained enough users to continue with their current payment model.
Based on this sentence, who is they?

Answer: World of Warcraft

Question: Google is catching up to Firefox in the percentage of users because they have a faster and more reliable browser.
Based on this sentence, who is they?

Answer: Google

Question: The cat looked at the big dog, and it was terrified.
Based on this sentence, who is it?

Answer: The cat

Question: The US president had a meeting with the Chinese president, where he told him not to interfere with China's internal policy.
Based on this sentence, who is he?

Answer:
the Chinese president