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

Ex Input:
Sentence: 'a bride and a groom look ridiculous as they stuff cake into each other's mouth'. Replace the letter 'd' with 's' in the sentence.

Ex Output:
a brise ans a groom look risiculous as they stuff cake into each other's mouth


Ex Input:
Sentence: 'two kids sitting on a  child's bed and smiling'. Replace the letter 't' with 's' in the sentence.

Ex Output:
swo kids sissing on a  child's bed and smiling


Ex Input:
Sentence: 'a man and woman pose in front of mountains'. Replace the letter 'f' with 'z' in the sentence.

Ex Output:

a man and woman pose in zront oz mountains