TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a small child reaching back with a wii remote'. Replace the letter 'l' with 'o' in the sentence.

SOLUTION: a smaoo chiod reaching back with a wii remote

PROBLEM: Sentence: 'a man is standing on a snowboard, atop a mountain'. Replace the letter 'd' with 'u' in the sentence.

SOLUTION: a man is stanuing on a snowboaru, atop a mountain

PROBLEM: Sentence: 'a sheep laying in a feeder with other animals in the background'. Replace the letter 'k' with 'c' in the sentence.

SOLUTION:
a sheep laying in a feeder with other animals in the baccground