Q: 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: Emily's grandfather often did something strange. Sentence2: If he saw a penny on the ground he didn't always pick it up. Sentence3: Finally Emily asked him why. Sentence4: He explained that a penny was only lucky if it was heads up.
A:
If it was tails up, he'd leave it where it was.