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: Three males wearing a yellow vest with silver stripes and jeans; one is digging with an excavator, and two are using shovels. Sentence 2: Someone is using an orange excavator.

Ex Output:
Someone is wearing a vest.


Ex Input:
Sentence 1: A young girl dressed in gray kneels to look at a dog. Sentence 2: She is teaching the dog a trick.

Ex Output:
The girl is looking at the dog while wearing gray.


Ex Input:
Sentence 1: Some children are playing jump rope. Sentence 2: Some children are trying out for the jump rope competition.

Ex Output:

Children are jumping rope.