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

Ex Input:
Sentence: 'a person scooping from a large pot of soup on the stove into a soup bowl'. Replace the letter 'a' with 'x' in the sentence.

Ex Output:
x person scooping from x lxrge pot of soup on the stove into x soup bowl


Ex Input:
Sentence: 'a man swinging at a tennis with a racquet on a court'. Replace the letter 't' with 'c' in the sentence.

Ex Output:
a man swinging ac a cennis wich a racquec on a courc


Ex Input:
Sentence: 'a crowd of people watching the baseball game'. Replace the letter 'a' with 'k' in the sentence.

Ex Output:

k crowd of people wktching the bksebkll gkme