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

Sentence: 'a group of people riding skis on a snowy surface'. Replace the letter 'p' with 'i' in the sentence.
a groui of ieoile riding skis on a snowy surface

Sentence: 'a small plastic dish with food in it'. Replace the letter 'p' with 'g' in the sentence.
a small glastic dish with food in it

Sentence: 'a person riding a bike near a large truck'. Replace the letter 'n' with 'f' in the sentence.

a persof ridifg a bike fear a large truck