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: Riders waiting to get on the train. Sentence 2: People are waiting to get on a train to start their vacation travel.

SOLUTION: People wait to board the train.

PROBLEM: Sentence 1: A young girl in a costume on the ground, with a hula hoop next to her. Sentence 2: The girl is a performer.

SOLUTION: The girl has a costume.

PROBLEM: Sentence 1: Young boy running waring blue jacket and blue jeans, flower pots are in the background on a cement walkway. Sentence 2: A boy is playing in his backyard.

SOLUTION:
Flowerpots line the cement walkway.