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 skateboarder doing a trick on a ramp'. Reverse all words of length '2' in the given sentence.
answer:
a skateboarder doing a trick no a ramp


question:
Sentence: 'many cows on a field of grass with trees in the background'. Reverse all words of length '1' in the given sentence.
answer:
many cows on a field of grass with trees in the background


question:
Sentence: 'a bench sits against a tree in a park'. Reverse all words of length '1' in the given sentence.
answer:

a bench sits against a tree in a park