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 man and a child both wearing winter hats are at the pond. Sentence 2: A father and daughter are exploring a pond by their house.

SOLUTION: A man and child stand near a pond.

PROBLEM: Sentence 1: Yellow banners with a black lion print are hung across some trees in a sun-lit neighborhood. Sentence 2: There are advertisements for the local college hanging in the neighborhood.

SOLUTION: There are signs outdoors

PROBLEM: Sentence 1: People are sitting in class, one female is reading a book. Sentence 2: People are sitting in class listening to the teacher.

SOLUTION:
People are sitting in class.