TASK DEFINITION: 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.
PROBLEM: Sentence 1: Some type of snack food being eaten at what appears to be a railroad site. Sentence 2: People are eating food at the train station.

SOLUTION: Snacks being eaten at a railroad location.

PROBLEM: Sentence 1: A man cleans the windows of a tall building, suspended only by a rope. Sentence 2: A man cleans the windows of a tall building with a towel.

SOLUTION: A man cleans the windows of a tall building.

PROBLEM: Sentence 1: A man is standing next to a yellow cab while holding up a sign with many little yellow street signs on it. Sentence 2: The cab has a light mounted on the roof.

SOLUTION:
A man holding a sign with street signs on it stands near a taxi.