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

Ex Input:
Sentence: 'a person under an open umbrella in the sand'. Replace the letter 'd' with 'h' in the sentence.

Ex Output:
a person unher an open umbrella in the sanh


Ex Input:
Sentence: 'a child watching television changing the station with a remote'. Replace the letter 'n' with 'z' in the sentence.

Ex Output:
a child watchizg televisioz chazgizg the statioz with a remote


Ex Input:
Sentence: 'a baby calf has a tag on its right ear'. Replace the letter 'i' with 'c' in the sentence.

Ex Output:

a baby calf has a tag on cts rcght ear