Explain simply why it is not possible to tell is the correct answer to: Given the sentence "They are playing ice-hockey." is it true that "Two teams are playing hockey."?. Explanation:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
You can't assume it is two teams playing hockey. They could be a group of friends playing ice-hockey.