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 large bird stands on the ledge of a window'. Reverse all words of length '3' in the given sentence.

Answer: a large bird stands on eht ledge of a window


Question: Sentence: 'a group of skiers standing at the base of a mountain'. Reverse all words of length '3' in the given sentence.

Answer: a group of skiers standing at eht base of a mountain


Question: Sentence: 'a person on a board rides in the water'. Reverse all words of length '5' in the given sentence.

Answer:
a person on a draob sedir in the retaw