TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a large clock tower next to a building on a street'. Replace the letter 'c' with 'n' in the sentence.

SOLUTION: a large nlonk tower next to a building on a street

PROBLEM: Sentence: 'the dog lies inside a purple and white collapsable chair'. Replace the letter 'n' with 'j' in the sentence.

SOLUTION: the dog lies ijside a purple ajd white collapsable chair

PROBLEM: Sentence: 'city street during the winter at an intersection'. Replace the letter 'c' with 'd' in the sentence.

SOLUTION:
dity street during the winter at an intersedtion