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 happy white man with sunglasses on a boat'. Reverse all words of length '1' in the given sentence.
answer:
a happy white man with sunglasses on a boat


question:
Sentence: 'a couple of beds pushed together inside of a hospital'. Reverse all words of length '6' in the given sentence.
answer:
a elpuoc of beds dehsup together edisni of a hospital


question:
Sentence: 'people gather in front of a row of old building with a clock tower on the end of the row'. Reverse all words of length '8' in the given sentence.
answer:

people gather in front of a row of old gnidliub with a clock tower on the end of the row