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

Ex Input:
Sentence: 'a white bathroom with a stand alone sink and a shower curtain'. Replace the letter 'a' with 'm' in the sentence.

Ex Output:
m white bmthroom with m stmnd mlone sink mnd m shower curtmin


Ex Input:
Sentence: 'a waterview with multiple boats in the water'. Replace the letter 'r' with 'w' in the sentence.

Ex Output:
a watewview with multiple boats in the watew


Ex Input:
Sentence: 'a man is riding a bike with an umbrella'. Replace the letter 'u' with 'p' in the sentence.

Ex Output:

a man is riding a bike with an pmbrella