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

Ex Input:
Sentence: 'a couple of kids laying in bed together'. Replace the letter 'o' with 'v' in the sentence.

Ex Output:
a cvuple vf kids laying in bed tvgether


Ex Input:
Sentence: 'a woman in a floral swimsuit holds a pink umbrella'. Replace the letter 't' with 'l' in the sentence.

Ex Output:
a woman in a floral swimsuil holds a pink umbrella


Ex Input:
Sentence: 'a man standing at home base getting ready to swing'. Replace the letter 'r' with 'q' in the sentence.

Ex Output:

a man standing at home base getting qeady to swing