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 white race car drives through a puddle. Sentence 2: The race car has a numbers on the side of it.

SOLUTION: The car has wet tires.

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 man gets ready to throw a stick for his waiting dog. Sentence 2: A man gets ready to throw a stick for his black and white dog

SOLUTION:
A man is playing with a dog.