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

Ex Input:
Sentence: 'a zebra is eating hay in a fenced enclosure'. Replace the letter 'e' with 'i' in the sentence.

Ex Output:
a zibra is iating hay in a fincid inclosuri


Ex Input:
Sentence: 'a man holding a baseball bat wearing a baseball uniform'. Replace the letter 'f' with 'h' in the sentence.

Ex Output:
a man holding a baseball bat wearing a baseball unihorm


Ex Input:
Sentence: 'the person is riding on their own skateboard'. Replace the letter 't' with 'v' in the sentence.

Ex Output:

vhe person is riding on vheir own skaveboard