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

Sentence: 'a couple of people that are petting a horse'. Replace the letter 'e' with 'p' in the sentence.
a couplp of ppoplp that arp pptting a horsp

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: 'bulldog wearing a life vest riding on a surfboard in the ocean'. Replace the letter 'e' with 'j' in the sentence.
bulldog wjaring a lifj vjst riding on a surfboard in thj ocjan