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: A blond woman pedals a bicycle while carrying a chair on her shoulders. Sentence 2: A woman is on stage performing.

SOLUTION: A woman riding a bike.

PROBLEM: Sentence 1: A large group of people are assembled in a large city. Sentence 2: The people are waiting for the mayor.

SOLUTION: The people are in the city.

PROBLEM: Sentence 1: Students sit in a classroom with green walls and red desks, waving at the camera. Sentence 2: The students just recorded a video.

SOLUTION:
There are students sitting in the classroom.