TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a person jumping up in the air on a snowboard'. Replace the letter 'r' with 'o' in the sentence.

SOLUTION: a peoson jumping up in the aio on a snowboaod

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 woman swinging a tennis racquet while on a court'. Replace the letter 'w' with 'r' in the sentence.

SOLUTION:
a roman sringing a tennis racquet rhile on a court