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

Ex Input:
Sentence: 'this poster is advertising high performance with a girl riding a bicycle and some taxis on the street'. Replace the letter 't' with 'f' in the sentence.

Ex Output:
fhis posfer is adverfising high performance wifh a girl riding a bicycle and some faxis on fhe sfreef


Ex Input:
Sentence: 'a woman gives a thumbs up sign while sitting in front of a sandwich'. Replace the letter 's' with 'h' in the sentence.

Ex Output:
a woman giveh a thumbh up hign while hitting in front of a handwich


Ex Input:
Sentence: 'a small child reaching back with a wii remote'. Replace the letter 'l' with 'o' in the sentence.

Ex Output:

a smaoo chiod reaching back with a wii remote