In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.

Sentence: 'a keyboard a mouse a monitor and a brown table'. Reverse all words of length '3' in the given sentence.
a keyboard a mouse a monitor dna a brown table

Sentence: 'a man is standing on a sidewalk with his bike'. Reverse all words of length '3' in the given sentence.
a nam is standing on a sidewalk with sih bike

Sentence: 'children at a birthday party getting ready to eat cake'. Reverse all words of length '8' in the given sentence.

nerdlihc at a yadhtrib party getting ready to eat cake