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

[EX Q]: Sentence: 'a group of three giraffes standing around a fence'. Replace the letter 't' with 'a' in the sentence.
[EX A]: a group of ahree giraffes saanding around a fence

[EX Q]: Sentence: 'a laptop computer attached to a large monitor'. Replace the letter 'a' with 'r' in the sentence.
[EX A]: r lrptop computer rttrched to r lrrge monitor

[EX Q]: Sentence: 'a motor cycle with some one on it is driving down the street driving around sheep that are out in the street'. Replace the letter 'n' with 'v' in the sentence.
[EX A]:
a motor cycle with some ove ov it is drivivg dowv the street drivivg arouvd sheep that are out iv the street