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

Ex Input:
Sentence: 'a man riding a snowboard on the side of a wall'. Replace the letter 'm' with 'p' in the sentence.

Ex Output:
a pan riding a snowboard on the side of a wall


Ex Input:
Sentence: 'a group of women are sitting at a table eating lunch'. Replace the letter 'e' with 'k' in the sentence.

Ex Output:
a group of womkn ark sitting at a tablk kating lunch


Ex Input:
Sentence: 'a girl and woman flying a kite with blue sky in the background'. Replace the letter 'c' with 'v' in the sentence.

Ex Output:

a girl and woman flying a kite with blue sky in the bavkground