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: The cowboy kneels down to put the brown strap on his boot. Sentence 2:  The cowboy kneels down to put the brown strap on his metal boot.

SOLUTION:  The cowboy kneels down.

PROBLEM: Sentence 1: A man in glasses looks at his electronic device. Sentence 2: A tall person looking

SOLUTION: A human looking.

PROBLEM: Sentence 1: A man wearing all black and a black hat is pouring a beverage into a cup. Sentence 2: The man is playing poker and drinking liquor.

SOLUTION:
The man is about to drink something.