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 motorcycle gang riding through the streets with trees'. Reverse all words of length '4' in the given sentence.
answer:
a motorcycle gnag riding through the streets htiw trees


question:
Sentence: 'people watching a music concert being performed on a stage'. Reverse all words of length '5' in the given sentence.
answer:
people watching a cisum concert gnieb performed on a egats


question:
Sentence: 'a man on a beach throwing a frisbee into the ocean'. Reverse all words of length '3' in the given sentence.
answer:

a nam on a beach throwing a frisbee into eht ocean