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

Sentence: 'a box of a dozen doughnuts all varieties'. Replace the letter 'l' with 'i' in the sentence.
a box of a dozen doughnuts aii varieties

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: 'bus parked on city street in front of brick building'. Replace the letter 'e' with 'a' in the sentence.

bus parkad on city straat in front of brick building