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.

Q: 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.

A: The girl has a costume.
****
Q: Sentence 1: Workers brush off the stops in front of a monument, blocked off with traffic cones. Sentence 2: The workers are doing regular maintenance for the monument so it is clean for visitors.

A: Workers are cleaning the steps in front of a monument that is blocked off.
****
Q: Sentence 1: A boy in a black helmet and red long-sleeve shirt rides his motorbike over a rocky stream. Sentence 2: A boy discovers new land while riding his motorbike.

A:
There is a boy riding a motorbike.
****