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

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

Ex Output:
a big bowl of brown food halfway in a small oken


Ex Input:
Sentence: 'closeup of two teddy bears in red scarves and a brown teddy bear'. Replace the letter 'i' with 'y' in the sentence.

Ex Output:
closeup of two teddy bears yn red scarves and a brown teddy bear


Ex Input:
Sentence: 'a person sitting on a parked motorcycle near a building'. Replace the letter 'm' with 'z' in the sentence.

Ex Output:

a person sitting on a parked zotorcycle near a building