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

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


Ex Input:
Sentence: 'a man stands next to a basketball as it sits on the floor'. Replace the letter 'n' with 'o' in the sentence.

Ex Output:
a mao staods oext to a basketball as it sits oo the floor


Ex Input:
Sentence: 'a room with a blue chair green chair and wooden chair'. Replace the letter 'a' with 'r' in the sentence.

Ex Output:

r room with r blue chrir green chrir rnd wooden chrir