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 sandwich that is on a plate on a table'. Reverse all words of length '8' in the given sentence.
a hciwdnas that is on a plate on a table

Sentence: 'an oldfashioned safe and roll top desk in a green room'. Reverse all words of length '3' in the given sentence.
an oldfashioned safe dna roll pot desk in a green room

Sentence: 'the two clocks are beneath two monitors and in front of a keyboard'. Reverse all words of length '2' in the given sentence.

the two clocks are beneath two monitors and ni front fo a keyboard