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 couple walking in the rain using and umbrella'. Reverse all words of length '6' in the given sentence.
answer:
a elpuoc walking in the rain using and umbrella


question:
Sentence: 'a triangular grouping of jet planes flying in the sky'. Reverse all words of length '3' in the given sentence.
answer:
a triangular grouping of tej planes flying in eht yks


question:
Sentence: 'a kitchen scene with focus on the white refrigerator'. Reverse all words of length '1' in the given sentence.
answer:

a kitchen scene with focus on the white refrigerator