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

Ex Input:
Sentence: 'a dog drinking out of a bowl of water'. Replace the letter 'w' with 'k' in the sentence.

Ex Output:
a dog drinking out of a bokl of kater


Ex Input:
Sentence: 'someone playing frisbee with a dog in the middle of a court'. Replace the letter 'd' with 'r' in the sentence.

Ex Output:
someone playing frisbee with a rog in the mirrle of a court


Ex Input:
Sentence: 'the birds are feeding at the bird feeder'. Replace the letter 'h' with 'f' in the sentence.

Ex Output:

tfe birds are feeding at tfe bird feeder