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 dog jumping high in the air catching a frisbee in its mouth'. Reverse all words of length '8' in the given sentence.
answer:
a dog jumping high in the air gnihctac a frisbee in its mouth


question:
Sentence: 'a black cat sitting on top of a laptop on a table'. Reverse all words of length '5' in the given sentence.
answer:
a kcalb cat sitting on top of a laptop on a elbat


question:
Sentence: 'a group of people walking along a beach'. Reverse all words of length '6' in the given sentence.
answer:

a group of elpoep walking along a beach