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: 'two kids playing soccer with a ball while a referee watches closely'. Reverse all words of length '4' in the given sentence.

Answer: two sdik playing soccer htiw a llab while a referee watches closely


Question: Sentence: 'a man walking in the shore with a surfboard under his arm'. Reverse all words of length '3' in the given sentence.

Answer: a nam walking in eht shore with a surfboard under sih mra


Question: Sentence: 'adults and children standing in the street by a commercial passenger van'. Reverse all words of length '10' in the given sentence.

Answer:
adults and children standing in the street by a laicremmoc passenger van