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 group of boys surfing in water'. Reverse all words of length '4' in the given sentence.

Answer: a group of syob surfing in water


Question: Sentence: 'an old traditional pirate ship in modern city'. Reverse all words of length '3' in the given sentence.

Answer: an dlo traditional pirate ship in modern city


Question: Sentence: 'flowers in a glass vase filled with water on a wooden table'. Reverse all words of length '5' in the given sentence.

Answer:
flowers in a ssalg vase filled with retaw on a wooden elbat