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 man standing next to a parked car under a street sign'. Reverse all words of length '6' in the given sentence.
a man standing next to a dekrap car under a teerts sign

Sentence: 'a large bird flying next to a light house near a beautiful blue ocean'. Reverse all words of length '9' in the given sentence.
a large bird flying next to a light house near a lufituaeb blue ocean

Sentence: 'an elephant looking through a gray meshed area'. Reverse all words of length '8' in the given sentence.

an tnahpele looking through a gray meshed area