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.

[EX Q]: Sentence: 'a kitchen counter filled with various types of fruits and vegetables'. Reverse all words of length '4' in the given sentence.
[EX A]: a kitchen counter filled htiw various types of fruits and vegetables

[EX Q]: Sentence: 'a man leaning forward as he swings a tennis racket'. Reverse all words of length '2' in the given sentence.
[EX A]: a man leaning forward sa eh swings a tennis racket

[EX Q]: Sentence: 'a guy on a couch with a laptop and a big book in his lap'. Reverse all words of length '4' in the given sentence.
[EX A]:
a guy on a couch htiw a laptop and a big koob in his lap