TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a wooden bench near a tree and a stone wall'. Replace the letter 'l' with 'q' in the sentence.

SOLUTION: a wooden bench near a tree and a stone waqq

PROBLEM: Sentence: 'two people are passing a man playing a piano on the street'. Replace the letter 'o' with 'i' in the sentence.

SOLUTION: twi peiple are passing a man playing a piani in the street

PROBLEM: Sentence: 'there is a small apartment kitchen with white appliances'. Replace the letter 'e' with 'q' in the sentence.

SOLUTION:
thqrq is a small apartmqnt kitchqn with whitq appliancqs