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.
Q: Sentence1: Marcus was just starting his first flying lesson. Sentence2: He was learning to fly small commuter planes. Sentence3: He was nervous to take the plane up in the air. Sentence4: His instructor helped him take off from the airport.
A:
Marcus relaxed once they were in the air.