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 family room area without anybody in it'. Reverse all words of length '7' in the given sentence.

Answer: a family room area tuohtiw ydobyna in it


Question: Sentence: 'there are many animals standing on the top of this mountain'. Reverse all words of length '4' in the given sentence.

Answer: there are ynam animals standing on the top of siht mountain


Question: Sentence: 'a man riding a medium wave with his surfboard'. Reverse all words of length '6' in the given sentence.

Answer:
a man gnidir a muidem wave with his surfboard