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: 'many pairs of open scissors sit on top of metal poles'. Reverse all words of length '4' in the given sentence.
ynam pairs of nepo scissors sit on top of metal poles

Sentence: 'a double decker tour bus drives down the road with other buses and cars'. Reverse all words of length '5' in the given sentence.
a double decker tour bus drives down the road with rehto sesub and cars

Sentence: 'a cat laying down in a bathroom sink'. Reverse all words of length '6' in the given sentence.

a cat gniyal down in a bathroom sink