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 red double decker bus parked next to a brick building'. Reverse all words of length '4' in the given sentence.
answer:
a red double decker bus parked txen to a brick building


question:
Sentence: 'a group of skiers standing at the base of a mountain'. Reverse all words of length '3' in the given sentence.
answer:
a group of skiers standing at eht base of a mountain


question:
Sentence: 'men are standing near a yellow tractor trailer'. Reverse all words of length '4' in the given sentence.
answer:

men are standing raen a yellow tractor trailer