TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a couple of giraffes eat some food out of a trey'. Replace the letter 'f' with 'e' in the sentence.

SOLUTION: a couple oe giraeees eat some eood out oe a trey

PROBLEM: Sentence: 'this is a man and boy holding skis'. Replace the letter 'h' with 'l' in the sentence.

SOLUTION: tlis is a man and boy lolding skis

PROBLEM: Sentence: 'a toy animal sitting on a toy cake next to the grass'. Replace the letter 't' with 'p' in the sentence.

SOLUTION:
a poy animal sipping on a poy cake nexp po phe grass