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 girls are staring at something beyond the camera. Sentence 2: Girls gaze off toward something in the distance.
Two girls face each other and play pat-a-cake.

Sentence 1: A small child in a SpongeBob outfit is using a mop on a floor. Sentence 2: A child is mopping.
A child works outside on the house.

Sentence 1: Two men bike racing around a track. Sentence 2: Two men riding bikes on a track.

There are men standing.