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

Ex Input:
Sentence: 'a statue of a person holding their arm up in the air'. Replace the letter 'p' with 'h' in the sentence.

Ex Output:
a statue of a herson holding their arm uh in the air

Ex Input:
Sentence: 'a man and a child skiing down a mountain on a trail'. Replace the letter 'n' with 'm' in the sentence.

Ex Output:
a mam amd a child skiimg dowm a moumtaim om a trail

Ex Input:
Sentence: 'two men smiling with ties and collar shirts on'. Replace the letter 's' with 'd' in the sentence.

Ex Output:
two men dmiling with tied and collar dhirtd on