Read the story, then answer the question.
Excerpt from "The Three Billy Goats Gruff"
Once upon a time there were three billy goats. They wanted to go up to the hillside to eat the green grass. All three billy goats were named "Gruff." On the way up to the hillside was a bridge over a stream. Under the bridge lived a great big ugly troll. The troll's eyes were as big as dinner plates. His nose was as long as a poker.
Who lives under the bridge?
Question 5 options:
the goats' mother
the three billy goats
a troll