Definition: 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.
Input: Sentence1: Mary and Lou decided to buy a parakeet. Sentence2: On the way to the pet store they saw an injured bird. Sentence3: The bird had hurt its wing. Sentence4: Mary got out of the car and tenderly picked up the bird.

They drove back home.