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

Ex Input:
Sentence: 'a horse in a country field with woods in the background'. Replace the letter 'a' with 'i' in the sentence.

Ex Output:
i horse in i country field with woods in the bickground


Ex Input:
Sentence: 'a man taking a photo of food on a table'. Replace the letter 't' with 'h' in the sentence.

Ex Output:
a man haking a phoho of food on a hable


Ex Input:
Sentence: 'a long line of ties hung in a horizontal display'. Replace the letter 'n' with 'g' in the sentence.

Ex Output:

a logg lige of ties hugg ig a horizogtal display