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: 'two motorcycles sidebyside parked in a grassy area'. Reverse all words of length '3' in the given sentence.
owt motorcycles sidebyside parked in a grassy area

Sentence: 'baseballer standing with mitt in fenced field and grass'. Reverse all words of length '3' in the given sentence.

baseballer standing with mitt in fenced field dna grass