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

Sentence: 'black and white image of a tattoo and piercing sign in a city'. Replace the letter 'e' with 'h' in the sentence.
black and whith imagh of a tattoo and pihrcing sign in a city

Sentence: 'a couple sits on a bench in the countryside'. Replace the letter 'y' with 'k' in the sentence.
a couple sits on a bench in the countrkside

Sentence: 'a bed with white sheets and a colorful blanket'. Replace the letter 'a' with 'b' in the sentence.

b bed with white sheets bnd b colorful blbnket