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 couple walking in the rain using and umbrella'. Reverse all words of length '6' in the given sentence.

Answer: a elpuoc walking in the rain using and umbrella


Question: Sentence: 'a birthday cake cut in different pieces sitting on a tray at a table'. Reverse all words of length '1' in the given sentence.

Answer: a birthday cake cut in different pieces sitting on a tray at a table


Question: Sentence: 'a woman using ski poles skiing on the snow'. Reverse all words of length '5' in the given sentence.

Answer:
a namow gnisu ski selop skiing on the snow