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: 'four pink roses in a water filled dish bowl'. Reverse all words of length '4' in the given sentence.
ruof knip roses in a water filled hsid lwob

Sentence: 'a man is riding a skateboard at a skateboard park'. Reverse all words of length '1' in the given sentence.
a man is riding a skateboard at a skateboard park

Sentence: 'a table with a black laptop next to a person on couch'. Reverse all words of length '4' in the given sentence.

a table htiw a black laptop txen to a person on couch