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

Ex Input:
Sentence: 'a child taking the paper off a box sitting on the floor'. Replace the letter 'c' with 'b' in the sentence.

Ex Output:
a bhild taking the paper off a box sitting on the floor


Ex Input:
Sentence: 'a bowl filled with vegetables and noodles on a table'. Replace the letter 'l' with 'r' in the sentence.

Ex Output:
a bowr firred with vegetabres and noodres on a tabre


Ex Input:
Sentence: 'a study features the color green and old-fashioned furniture'. Replace the letter 'e' with 'd' in the sentence.

Ex Output:

a study fdaturds thd color grddn and old-fashiondd furniturd