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: 'an elephant is standing in the road by the truck'. Reverse all words of length '5' in the given sentence.
answer:
an elephant is standing in the road by the kcurt


question:
Sentence: 'a person in a rowboat under an umbrella'. Reverse all words of length '5' in the given sentence.
answer:
a person in a rowboat rednu an umbrella


question:
Sentence: 'a company truck parked next to markets on the street'. Reverse all words of length '7' in the given sentence.
answer:

a ynapmoc truck parked next to stekram on the street