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 computer and laptop sitting on a desk'. Reverse all words of length '6' in the given sentence.
a computer and potpal sitting on a desk

Sentence: 'a street pole with some signs sitting on top of it'. Reverse all words of length '6' in the given sentence.
a teerts pole with some signs sitting on top of it

Sentence: 'an assortment of fruits on display at a market place'. Reverse all words of length '1' in the given sentence.

an assortment of fruits on display at a market place