TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'wooden park bench sitting between two trees with grassy background'. Replace the letter 'i' with 'q' in the sentence.

SOLUTION: wooden park bench sqttqng between two trees wqth grassy background

PROBLEM: Sentence: 'a cook sanding between two women inside of a kitchen'. Replace the letter 'n' with 'y' in the sentence.

SOLUTION: a cook saydiyg betweey two womey iyside of a kitchey

PROBLEM: Sentence: 'happy people are dressed up and holding umbrellas'. Replace the letter 'n' with 'l' in the sentence.

SOLUTION:
happy people are dressed up ald holdilg umbrellas