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: Two men in red shirts walking on the walls of a white building. Sentence 2: The men are wearing shirts.
The men are spiderman.

Sentence 1: Two men in black clothes inspect the motor of a racing car while the top of the car is lifted. Sentence 2: Two males are standing near a race car.
Two men are going 200 mph inside a race car.

Sentence 1: Two small children climbing the steps onto a plane. Sentence 2: Two children are boarding the plane.
Two children are getting off the plane.