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.

[EX Q]: Sentence 1: Interracial couple looks at each other wearing biking helmets Sentence 2: The interracial couple check out their new biking helmets they bought.
[EX A]: A couple of humans look at each other.

[EX Q]: Sentence 1: A smiling construction worker with a white helmet. Sentence 2: He has been hit on the head before
[EX A]: His head is protected

[EX Q]: 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.
[EX A]:
Two men are barbecuing.