TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a bed with white comforter and two black stiletto heels'. Replace the letter 'h' with 's' in the sentence.

SOLUTION: a bed wits wsite comforter and two black stiletto seels

PROBLEM: Sentence: 'there is a piece of a cake on the plate and a cup of drink'. Replace the letter 'r' with 'u' in the sentence.

SOLUTION: theue is a piece of a cake on the plate and a cup of duink

PROBLEM: Sentence: 'old time railroad caboose sitting on track, with two people inside'. Replace the letter 't' with 'k' in the sentence.

SOLUTION:
old kime railroad caboose sikking on krack, wikh kwo people inside