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.

Sentence1: When I was seven years old, I went swimming with some friends. Sentence2: I did not know how to swim in deep water. Sentence3: By accident, I slipped into the deep part of the pool. Sentence4: I thought I was going to drown!
A lifeguard jumped in and pulled me out of the deep end.