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

[EX Q]: Sentence: 'a sign sitting on the side of a snow covered slope'. Replace the letter 'e' with 'g' in the sentence.
[EX A]: a sign sitting on thg sidg of a snow covgrgd slopg

[EX Q]: Sentence: 'a large bedroom with art over the bed'. Replace the letter 'r' with 'o' in the sentence.
[EX A]: a laoge bedooom with aot oveo the bed

[EX Q]: Sentence: 'a cow laying down in a open grass plain'. Replace the letter 'p' with 'm' in the sentence.
[EX A]:
a cow laying down in a omen grass mlain