TASK DEFINITION: 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.
PROBLEM: Sentence 1: Some people are standing outside at a sidewalk book sale. Sentence 2: People browse a sidewalk book sale.

SOLUTION: A bookstore is on fire.

PROBLEM: Sentence 1: Five hikers are walking across a large open space towards a mountain. Sentence 2: A few hikers are walking across a field and see a mountain.

SOLUTION: Theres a crowd of people running along a trail to see a movie.

PROBLEM: Sentence 1: A professor in a black blazer is writer on a chalkboard. Sentence 2: there is a professor

SOLUTION:
the professor is wearing blue