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

Answer: owt motorcycles sidebyside parked in a grassy area


Question: Sentence: 'two men are playing a wii boxing game'. Reverse all words of length '4' in the given sentence.

Answer: two men are playing a wii boxing emag


Question: Sentence: 'a birthday cake with candles and a cell phone'. Reverse all words of length '4' in the given sentence.

Answer:
a birthday ekac htiw candles and a llec phone