In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair contradict 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: Man carrying a stack of newspapers on his head turns around to look at camera. Sentence 2: A man is walking.
A blind woman is petting her dog.

Sentence 1: A woman wearing red flip-flops site on a wall while listening to something with headphones. Sentence 2: A person in flip-flops
a woman is deep sea diving

Sentence 1: Five men repairing mountain bikes. Sentence 2: Five men are working on mountain bikes.

Five men are riding bikes.