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 Input:
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 Output:
Two men are barbecuing.


Ex Input:
Sentence 1: a man wearing a black jacket stands, holding an open book in front of a chalkboard and globe. Sentence 2: A tall man.

Ex Output:
The street vendor was selling bananas.


Ex Input:
Sentence 1: A group of men in military uniforms, most with hard hats, stand outdoors. Sentence 2: Outside standing is a crowd with military uniforms, some have hard hats while building a wall.

Ex Output:

Outside standing is a crowd with military uniforms, some have hard hats.