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 person going on a slop jump on skis'. Reverse all words of length '6' in the given sentence.
answer:
a nosrep going on a slop jump on skis


question:
Sentence: 'a baby elephant in the middle of a field'. Reverse all words of length '3' in the given sentence.
answer:
a baby elephant in eht middle of a field


question:
Sentence: 'a blue and white train with graffiti painted on it'. Reverse all words of length '7' in the given sentence.
answer:

a blue and white train with graffiti detniap on it