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

Ex Input:
Sentence: 'a woman is playing tennis on the tennis court'. Replace the letter 'r' with 'z' in the sentence.

Ex Output:
a woman is playing tennis on the tennis couzt


Ex Input:
Sentence: 'a small child reaching back with a wii remote'. Replace the letter 'l' with 'o' in the sentence.

Ex Output:
a smaoo chiod reaching back with a wii remote


Ex Input:
Sentence: 'a red water hydrant on a pavement next to some buildings'. Replace the letter 'a' with 'l' in the sentence.

Ex Output:

l red wlter hydrlnt on l plvement next to some buildings