Skylar was trying to be helpful and enhanced Tracy's understanding of the very difficult math equation. Given the context: What does Skylar need to do before this? Possible answers: make Tracy flunk, make Tracy fail, help Tracy pass the class
help Tracy pass the class

Austin hit the neck of the bottle with the ring at the fair. Given the context: Why did Austin do this? Possible answers: play the game better than anyone else, spill the liquid inside the bottle, knock the bottle over with a ring
play the game better than anyone else

Cameron provided a cause for the problem and his boss gained an understanding of it. Given the context: How would Cameron feel afterwards? Possible answers: resentful of his boss, relieved to have explained, likes to help his boss
relieved to have explained