In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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: A man appears to be calling someone on his phone while a child is standing behind him. Sentence 2: A child is wearing blue jeans.
A person is using a phone.

Sentence 1: Two guys barbecuing, one in blue shirt bending down, while the other in black shorts stands facing his back to the camera. Sentence 2: Dinner is being prepared by the two brothers.
Two men are barbecuing.

Sentence 1: Two men walk along a busy city street with words printed on the sidewalk. Sentence 2: Two men wearing suits are walking.

Two men are walking.