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

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


[Q]: Sentence: 'a clean, sterile bathroom with a shower, toilet, and sink'. Replace the letter 'n' with 'k' in the sentence.
[A]: a cleak, sterile bathroom with a shower, toilet, akd sikk


[Q]: Sentence: 'looking along the railway tracks of a railway system in a large city'. Replace the letter 'o' with 'a' in the sentence.
[A]:
laaking alang the railway tracks af a railway system in a large city