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

[EX Q]: 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 A]: fhis posfer is adverfising high performance wifh a girl riding a bicycle and some faxis on fhe sfreef

[EX Q]: Sentence: 'a man riding a snowboard on the side of a wall'. Replace the letter 'm' with 'p' in the sentence.
[EX A]: a pan riding a snowboard on the side of a wall

[EX Q]: Sentence: 'a woman is standing next to a corner filled with street signs'. Replace the letter 'a' with 'b' in the sentence.
[EX A]:
b wombn is stbnding next to b corner filled with street signs