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

[EX Q]: Sentence: 'a table full of various types of cellphones, pdas and pagers'. Replace the letter 's' with 'f' in the sentence.
[EX A]: a table full of variouf typef of cellphonef, pdaf and pagerf

[EX Q]: Sentence: 'a wooden bench near a tree and a stone wall'. Replace the letter 'l' with 'q' in the sentence.
[EX A]: a wooden bench near a tree and a stone waqq

[EX Q]: Sentence: 'a person on beach with people windsurfing in the background'. Replace the letter 'g' with 'v' in the sentence.
[EX A]:
a person on beach with people windsurfinv in the backvround