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.

Example Input: Sentence 1: A woman tosses a bag of trash into a dumpster. Sentence 2: The hairdresser threw away all the freshly cut hair.
Example Output: People are moving forward on the track.

Example 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.
Example Output: Someone is wearing a vest.

Example Input: Sentence 1: A group of young people stand in the dark and talk to each other. Sentence 2: Young people loiter after a movie ends.
Example Output:
Young people loiter in the dark.