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

Ex Input:
Sentence: 'a city street with cars and busses near buildings'. Replace the letter 'e' with 'd' in the sentence.

Ex Output:
a city strddt with cars and bussds ndar buildings


Ex Input:
Sentence: 'a metal bowl filled with lots of red apples'. Replace the letter 'b' with 'x' in the sentence.

Ex Output:
a metal xowl filled with lots of red apples


Ex Input:
Sentence: 'a man talking on a cellphone riding a skateboard in a parking lot'. Replace the letter 'k' with 'p' in the sentence.

Ex Output:

a man talping on a cellphone riding a spateboard in a parping lot