TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a man riding a snowboard on the side of a wall'. Replace the letter 'm' with 'p' in the sentence.

SOLUTION: a pan riding a snowboard on the side of a wall

PROBLEM: Sentence: 'a large bedroom with art over the bed'. Replace the letter 'r' with 'o' in the sentence.

SOLUTION: a laoge bedooom with aot oveo the bed

PROBLEM: Sentence: 'a little boy on skis wipes his nose on his mitten'. Replace the letter 'b' with 'z' in the sentence.

SOLUTION:
a little zoy on skis wipes his nose on his mitten