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.

Q: 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.

A: a group of people gniraew skis and standing at the top of a ski slope
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Q: Sentence: 'a view of a kitchen with a person cooking some food'. Reverse all words of length '1' in the given sentence.

A: a view of a kitchen with a person cooking some food
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Q: Sentence: 'there is a person jumping high in the snow board in a snow ramp'. Reverse all words of length '7' in the given sentence.

A:
there is a person gnipmuj high in the snow board in a snow ramp
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