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 bus with a colorful design  on the bottom half'. Reverse all words of length '8' in the given sentence.
answer:
a bus with a lufroloc design on the bottom half


question:
Sentence: 'a snowy hill with a tree lined area'. Reverse all words of length '4' in the given sentence.
answer:
a snowy llih htiw a eert lined aera


question:
Sentence: 'a giraffe standing in a doorway of a brick building'. Reverse all words of length '8' in the given sentence.
answer:

a giraffe gnidnats in a doorway of a brick gnidliub