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: A person is climbing a rock while holding onto a white rope. Sentence 2: The person is outdoors.
The rope is made of black nylon.

Sentence 1: Many dogs are running the same way in a field. Sentence 2: Many dogs are running together
Cats are chasing birds

Sentence 1: Two men, one younger guy with a yellow shirt that has luggage and the other and older guy, are sitting on a bench in front of a large building that has a billboard for glasses and sunglasses. Sentence 2: Two men are sitting outside of a building.

The younger person is carrying a grocery bag.