instruction:
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.
question:
Sentence: 'a skateboarder in mid air during a trick'. Reverse all words of length '6' in the given sentence.
answer:
a skateboarder in mid air gnirud a trick


question:
Sentence: 'grown black cat sitting in a blue chair in a living room'. Reverse all words of length '4' in the given sentence.
answer:
grown black cat sitting in a eulb chair in a living moor


question:
Sentence: 'a person holding a tennis racket in their hands'. Reverse all words of length '7' in the given sentence.
answer:

a person gnidloh a tennis racket in their hands