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

Ex Input:
Sentence: 'a rose that is sitting in a vase'. Replace the letter 'r' with 'j' in the sentence.

Ex Output:
a jose that is sitting in a vase


Ex Input:
Sentence: 'vita mix blender with something in it already blended'. Replace the letter 'b' with 'a' in the sentence.

Ex Output:
vita mix alender with something in it already alended


Ex Input:
Sentence: 'there are many cows and people on the same beach'. Replace the letter 'p' with 'v' in the sentence.

Ex Output:

there are many cows and veovle on the same beach