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

Ex Input:
Sentence: 'the large modern bathroom has two sinks and a large tub'. Replace the letter 't' with 'j' in the sentence.

Ex Output:
jhe large modern bajhroom has jwo sinks and a large jub


Ex Input:
Sentence: 'a hipster riding a skateboard up the side of a wall'. Replace the letter 's' with 'm' in the sentence.

Ex Output:
a hipmter riding a mkateboard up the mide of a wall


Ex Input:
Sentence: 'a fire hydrant with a pair of eye stickers making a face on it'. Replace the letter 'a' with 'r' in the sentence.

Ex Output:

r fire hydrrnt with r prir of eye stickers mrking r frce on it