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

Ex Input:
Sentence: 'a metal tray holding various vegetables that include potatoes and onions'. Replace the letter 'h' with 'e' in the sentence.

Ex Output:
a metal tray eolding various vegetables teat include potatoes and onions


Ex Input:
Sentence: 'a safari setting at a zoo with two giraffes and a zebra'. Replace the letter 'n' with 'g' in the sentence.

Ex Output:
a safari settigg at a zoo with two giraffes agd a zebra


Ex Input:
Sentence: 'a bunch of signs on a pole on the street'. Replace the letter 'c' with 's' in the sentence.

Ex Output:

a bunsh of signs on a pole on the street