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: 'this is people standing in a field with kites'. Reverse all words of length '8' in the given sentence.
this is people gnidnats in a field with kites

Sentence: 'an elderly man in a jacket is walking outside of a window'. Reverse all words of length '3' in the given sentence.
an elderly nam in a jacket is walking outside of a window

Sentence: 'a kitchen has a microwave an oven and a countertop'. Reverse all words of length '2' in the given sentence.

a kitchen has a microwave na oven and a countertop