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

Sentence: 'a man is at bat at a baseball game with a crowd watching'. Replace the letter 't' with 'f' in the sentence.
a man is af baf af a baseball game wifh a crowd wafching

Sentence: 'a man stands next to a basketball as it sits on the floor'. Replace the letter 'n' with 'o' in the sentence.
a mao staods oext to a basketball as it sits oo the floor

Sentence: 'a large red sign with white letters stating 'alto''. Replace the letter 'h' with 'y' in the sentence.

a large red sign wity wyite letters stating 'alto'