Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.

He then stands in front of a wall pushing himself forward.
He begins moving himself forward on the pole.

They crash through the center of the wave as it reaches shore.
A countdown is shown of ten clips of surfers as they surf through waves.

Someone turns and glares at the woman.

With his arms crossed at his back, he regards the boys frankly.