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

Sentence: 'a boy taking a nap with his dog on a bed'. Replace the letter 'o' with 'i' in the sentence.
a biy taking a nap with his dig in a bed

Sentence: 'a woman in a dining-room holding a knife, cutting a cake on the table'. Replace the letter 'i' with 'p' in the sentence.
a woman pn a dpnpng-room holdpng a knpfe, cuttpng a cake on the table

Sentence: 'five men with skis standing in the snow'. Replace the letter 'i' with 'u' in the sentence.

fuve men wuth skus standung un the snow