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 group of people para sailing on a beach'. Reverse all words of length '5' in the given sentence.
answer:
a puorg of people para sailing on a hcaeb


question:
Sentence: 'three people in a dog carrying items walking along the beach'. Reverse all words of length '7' in the given sentence.
answer:
three people in a dog carrying items gniklaw along the beach


question:
Sentence: 'several cut oranges with brown cake falling out from inside'. Reverse all words of length '3' in the given sentence.
answer:

several tuc oranges with brown cake falling tuo from inside