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.

Example Input: 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.
Example Output: A man is doing tricks.

Example Input: Sentence 1: A man with curly hair and glasses tries to tug a large rope on a boat to no avail. Sentence 2: The man is watching TV in the living room
Example Output: A curly haired man with glasses tugs a rope on a boat.

Example Input: Sentence 1: a man on stage singing into a microphone. Sentence 2: A man on stage refuses to sing into a microphone.
Example Output:
A man sings.