Given a sentence, generate what should be the most likely next statement. The next statement should be reasonable and logically correct.

[Q]: A man with a long, brown beard appears at the top of the stairs. Someone
[A]: looks up in surprise.

[Q]: Then, the teen stands on the surfboard and demonstrates how to turn it to the side. After, the teen
[A]: puts his hand in shoes on the surfboard and demonstrates a turn.

[Q]: A train is driving on the tracks. They
[A]:
climb the stone ladder to wait.