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 man being towed behind a boat on a board'. Reverse all words of length '4' in the given sentence.

Answer: a man being towed behind a taob on a board


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

Answer: a row of parked motorcycles gnittis next to a white double decker bus


Question: Sentence: 'someone using a pair of scissors to cut a dollar bill'. Reverse all words of length '4' in the given sentence.

Answer:
someone using a riap of scissors to cut a dollar llib