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 cat with a santa hat standing on a rug'. Reverse all words of length '8' in the given sentence.
a cat with a santa hat gnidnats on a rug

Sentence: 'computer with an extra monitor with bright green screens'. Reverse all words of length '2' in the given sentence.
computer with na extra monitor with bright green screens

Sentence: 'a very big brick building with a very tall clock tower'. Reverse all words of length '8' in the given sentence.

a very big brick gnidliub with a very tall clock tower