In this task, you're given a pair of sentences, sentence 1 and sentence 2, that contradict each other. Your job is to alter sentence 2 so that the pair agree with each other. Generated sentences must be short, with less than 15 words. New information can be introduced. Avoid using pronouns to confuse the subject of the sentence.

Sentence 1: A man dressed in a checkered shirt and black pants performs an aerial stunt on a bicycle. Sentence 2: A puppy is sitting.
A man is doing tricks.

Sentence 1: A football player wearing an orange uniform smiling and holding the football. Sentence 2: A football player dives through the mud to catch the game winning ball.
A football player in his uniform smiles and poses with his football.

Sentence 1: The dog jumps to catch the ball. Sentence 2: The dog lies down to catch the ball.

The dog is jumping.