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

[Q]: Sentence: 'a book shelf full of books and nick nacks '. Replace the letter 'o' with 'm' in the sentence.
[A]: a bmmk shelf full mf bmmks and nick nacks 


[Q]: Sentence: 'a herd of zebra grazing in a lush green field'. Replace the letter 'h' with 'j' in the sentence.
[A]: a jerd of zebra grazing in a lusj green field


[Q]: Sentence: 'buses parked near airplanes at an airport terminal'. Replace the letter 'r' with 'f' in the sentence.
[A]:
buses pafked neaf aifplanes at an aifpoft tefminal