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: 'a group of women are sitting at a table eating lunch'. Replace the letter 'e' with 'k' in the sentence.

SOLUTION: a group of womkn ark sitting at a tablk kating lunch

PROBLEM: Sentence: 'a back end of a cow. one that is eating some hay'. Replace the letter 'm' with 'o' in the sentence.

SOLUTION:
a back end of a cow. one that is eating sooe hay