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

Input: Consider Input: Sentence: 'top view of a bathroom including tub, sink and toilet'. Replace the letter 'f' with 'o' in the sentence.

Output: top view oo a bathroom including tub, sink and toilet

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

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

Input: Consider Input: Sentence: 'a bus that is driving down the road'. Replace the letter 't' with 'h' in the sentence.
Output: a bus hhah is driving down hhe road