TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a man with a backpack on a motorcycle'. Replace the letter 't' with 'd' in the sentence.

SOLUTION: a man widh a backpack on a modorcycle

PROBLEM: Sentence: 'a child holding a tv remote like a phone'. Replace the letter 'i' with 'b' in the sentence.

SOLUTION: a chbld holdbng a tv remote lbke a phone

PROBLEM: Sentence: 'two small pieces of cake sitting on a colorful plate'. Replace the letter 'n' with 'k' in the sentence.

SOLUTION:
two small pieces of cake sittikg ok a colorful plate