In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a group of sheep is standing in a grassy field'. Replace the letter 'g' with 'p' in the sentence.

Answer: a proup of sheep is standinp in a prassy field

Question: Sentence: 'a computer, keyboard, and mouse sitting on a desk'. Replace the letter 's' with 'c' in the sentence.

Answer: a computer, keyboard, and mouce citting on a deck

Question: Sentence: 'a male pitcher is practicing throwing the ball'. Replace the letter 'r' with 'l' in the sentence.

Answer:
a male pitchel is placticing thlowing the ball