TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a plate with some meat, potatoes, carrots and some corn'. Replace the letter 'e' with 'q' in the sentence.

SOLUTION: a platq with somq mqat, potatoqs, carrots and somq corn

PROBLEM: Sentence: 'a back pack and lap top sit on the kitchen counter'. Replace the letter 't' with 'k' in the sentence.

SOLUTION: a back pack and lap kop sik on khe kikchen counker

PROBLEM: Sentence: 'a woman is sitting with a red guitar and bananas'. Replace the letter 't' with 'f' in the sentence.

SOLUTION:
a woman is siffing wifh a red guifar and bananas