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

[Q]: Sentence: 'two men and a dog are standing beside a building'. Replace the letter 'b' with 'y' in the sentence.
[A]: two men and a dog are standing yeside a yuilding


[Q]: Sentence: 'a man with scruffy hair wearing a tie and glasses'. Replace the letter 'r' with 'f' in the sentence.
[A]: a man with scfuffy haif weafing a tie and glasses


[Q]: Sentence: 'people cross country skiing across open ground outside'. Replace the letter 'o' with 'z' in the sentence.
[A]:
pezple crzss czuntry skiing acrzss zpen grzund zutside