Teacher: In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Sentence1: Rick grew up in a troubled household. Sentence2: He never found good support in family, and turned to gangs. Sentence3: It wasn't long before Rick got shot in a robbery. Sentence4: The incident caused him to turn a new leaf.
Solution: He is happy now.
Reason: As mentioned in last sentence, the incident turned a new leaf to Rick's life; this part completes the story properly.

Now, solve this instance: Sentence1: Deep in the woods of Montana was a bear. Sentence2: This bear was very angry as lumberjacks kept cutting down the forest. Sentence3: The angry bear found some lumberjacks and roared at them! Sentence4: The lumberjacks were scared and decided to go away for good.
Student:
The bear saved his forest and was able to live happily ever after.