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: Students are in a classroom, reading something off a paper. Sentence 2: The students are working on an assignment.
Example Output: The students are reading together.

Example Input: Sentence 1: Street vendors make sales on the sidewalk while cars pass on the busy city streets beside them. Sentence 2: Vendors are in a flea market.
Example Output:
Various vendors are selling their goods by the street.