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.

Example Input: Sentence: 'a mix of vegetables in a pot with a spoon'. Reverse all words of length '4' in the given sentence.
Example Output: a mix of vegetables in a pot htiw a spoon

Example Input: Sentence: 'a stop sign next to houses with christmas lights'. Reverse all words of length '4' in the given sentence.
Example Output: a pots ngis txen to houses htiw christmas lights

Example Input: Sentence: 'two women prepare various vegetable dishes in a kitchen'. Reverse all words of length '5' in the given sentence.
Example Output:
two nemow prepare various vegetable dishes in a kitchen