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

Ex Input:
Sentence: 'three men in a park playing a sport'. Replace the letter 'p' with 'w' in the sentence.

Ex Output:
three men in a wark wlaying a swort


Ex Input:
Sentence: 'a train moving on a track during the day'. Replace the letter 't' with 'q' in the sentence.

Ex Output:
a qrain moving on a qrack during qhe day


Ex Input:
Sentence: 'vase of pink flowers sits on windowsill next to box of flowers'. Replace the letter 's' with 'e' in the sentence.

Ex Output:

vaee of pink flowere eite on windoweill next to box of flowere