TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a group of sheep is standing in a grassy field'. Replace the letter 'g' with 'p' in the sentence.

SOLUTION: a proup of sheep is standinp in a prassy field

PROBLEM: Sentence: 'a toilet and a microwave sitting out for the trash'. Replace the letter 'i' with 's' in the sentence.

SOLUTION: a toslet and a mscrowave ssttsng out for the trash

PROBLEM: Sentence: 'a close up of a small lamp standing on the grass'. Replace the letter 'g' with 'k' in the sentence.

SOLUTION:
a close up of a small lamp standink on the krass