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 black cat is sniffing a glass bottle'. Replace the letter 'c' with 'f' in the sentence.
[EX A]: a blafk fat is sniffing a glass bottle

[EX Q]: Sentence: 'a stainless steel refrigerator and stove in a kitchen'. Replace the letter 'r' with 'l' in the sentence.
[EX A]:
a stainless steel lefligelatol and stove in a kitchen