TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a woman is snowboarding down a snowy hill'. Replace the letter 'l' with 'b' in the sentence.

SOLUTION: a woman is snowboarding down a snowy hibb

PROBLEM: Sentence: 'the view from inside the water looking landward at the beach'. Replace the letter 'a' with 's' in the sentence.

SOLUTION: the view from inside the wster looking lsndwsrd st the besch

PROBLEM: Sentence: 'an image of a box with a small piece of donut'. Replace the letter 'f' with 'y' in the sentence.

SOLUTION:
an image oy a box with a small piece oy donut