In this task, you need to replace a letter in the sentence with another given letter.

Sentence: 'a man and a child skiing down a mountain on a trail'. Replace the letter 'n' with 'm' in the sentence.
a mam amd a child skiimg dowm a moumtaim om a trail

Sentence: 'a yellow fire truck parked in a parking lot'. Replace the letter 'a' with 'y' in the sentence.
y yellow fire truck pyrked in y pyrking lot

Sentence: 'group of people eating food at an outdoor table'. Replace the letter 'o' with 'h' in the sentence.

grhup hf pehple eating fhhd at an hutdhhr table