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

Sentence: 'a baseball player running to third base from second'. Replace the letter 'a' with 'u' in the sentence.
u busebull pluyer running to third buse from second

Sentence: 'a person with a cell phone standing next to a train'. Replace the letter 's' with 't' in the sentence.
a perton with a cell phone ttanding next to a train

Sentence: 'a group of people walking down a road while flying a kite'. Replace the letter 'e' with 'q' in the sentence.

a group of pqoplq walking down a road whilq flying a kitq