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 people wearing skis and standing at the top of a ski slope'. Reverse all words of length '7' in the given sentence.

Answer: a group of people gniraew skis and standing at the top of a ski slope


Question: Sentence: 'two men in baseball uniforms running across a field'. Reverse all words of length '7' in the given sentence.

Answer: two men in baseball uniforms gninnur across a field


Question: Sentence: 'a motorcycle rider traveling down an urban street'. Reverse all words of length '5' in the given sentence.

Answer:
a motorcycle redir traveling down an nabru street