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 riding a bike down a street past cars'. Reverse all words of length '4' in the given sentence.
a man riding a ekib nwod a street tsap srac

Sentence: 'a row of parked motorcycles sitting next to a white double decker bus'. Reverse all words of length '7' in the given sentence.
a row of parked motorcycles gnittis next to a white double decker bus

Sentence: 'some men wearing blue and white uniforms are cutting cake'. Reverse all words of length '3' in the given sentence.

some nem wearing blue dna white uniforms era cutting cake