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 police officer on a horse is riding down the street'. Replace the letter 'h' with 'a' in the sentence.

SOLUTION: a police officer on a aorse is riding down tae street

PROBLEM: Sentence: 'a person cutting out pictures with a pair of scissors'. Replace the letter 'w' with 'u' in the sentence.

SOLUTION:
a person cutting out pictures uith a pair of scissors