TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a red stop signed has been altered to say stop hate'. Replace the letter 'e' with 't' in the sentence.

SOLUTION: a rtd stop signtd has bttn alttrtd to say stop hatt

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: 'a close up of a bowl of cereal with a banana'. Replace the letter 't' with 'b' in the sentence.

SOLUTION:
a close up of a bowl of cereal wibh a banana