TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a man swinging at a tennis with a racquet on a court'. Replace the letter 't' with 'c' in the sentence.

SOLUTION: a man swinging ac a cennis wich a racquec on a courc

PROBLEM: Sentence: 'a man is on a saddled horse with reins'. Replace the letter 's' with 'o' in the sentence.

SOLUTION: a man io on a oaddled horoe with reino

PROBLEM: Sentence: 'a kitchen counter with a sink and a microwave'. Replace the letter 't' with 'v' in the sentence.

SOLUTION:
a kivchen counver wivh a sink and a microwave