In this task, you need to replace a letter in the sentence with another given letter.

Sentence: 'a crooked street sign on a damaged sidewalk'. Replace the letter 'm' with 'u' in the sentence.
a crooked street sign on a dauaged sidewalk

Sentence: 'a man getting ready to hit a ball at a baseball game'. Replace the letter 'n' with 'v' in the sentence.
a mav gettivg ready to hit a ball at a baseball game

Sentence: 'a person on a skateboard on a ramp'. Replace the letter 'p' with 'a' in the sentence.

a aerson on a skateboard on a rama