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.
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Question: Sentence: 'a bicycle parked on a bridge next to a marina'. Reverse all words of length '4' in the given sentence.

Answer: a bicycle parked on a bridge txen to a marina


Question: Sentence: 'a messy bedroom with items covering the floor'. Reverse all words of length '8' in the given sentence.

Answer: a messy bedroom with items gnirevoc the floor


Question: Sentence: 'massive hot dog with onions and mustard at a ball game'. Reverse all words of length '6' in the given sentence.

Answer:
massive hot dog with snoino and mustard at a ball game