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

Sentence: 'a double decker bus stopped outside a station on a street'. Replace the letter 'c' with 'y' in the sentence.
a double deyker bus stopped outside a station on a street

Sentence: 'a big bowl of brown food halfway in a small oven'. Replace the letter 'v' with 'k' in the sentence.
a big bowl of brown food halfway in a small oken

Sentence: 'a pan full of cut and steamed brocolli spears'. Replace the letter 'c' with 'g' in the sentence.

a pan full of gut and steamed brogolli spears