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

Ex Input:
Sentence: 'a woman standing in front of a bear in an enclosure'. Replace the letter 'e' with 'r' in the sentence.

Ex Output:
a woman standing in front of a brar in an rnclosurr


Ex Input:
Sentence: 'a clean and organized hotel bedroom with tv'. Replace the letter 'w' with 'p' in the sentence.

Ex Output:
a clean and organized hotel bedroom pith tv


Ex Input:
Sentence: 'a man holding a whisk and a nintendo wii controller'. Replace the letter 'i' with 'u' in the sentence.

Ex Output:

a man holdung a whusk and a nuntendo wuu controller