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

Ex Input:
Sentence: 'a kitchen table with a juicer and vegetable on it'. Replace the letter 't' with 'a' in the sentence.

Ex Output:
a kiachen aable wiah a juicer and vegeaable on ia


Ex Input:
Sentence: 'two tennis players shaking hands across the net'. Replace the letter 't' with 's' in the sentence.

Ex Output:
swo sennis players shaking hands across she nes


Ex Input:
Sentence: 'a young child holding a tennis racket in his hand'. Replace the letter 'r' with 'k' in the sentence.

Ex Output:

a young child holding a tennis kacket in his hand