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 wooden bench sits on top of a grass hill'. Reverse all words of length '2' in the given sentence.
answer:
a wooden bench sits no top fo a grass hill


question:
Sentence: 'a large long bus on the side of the street'. Reverse all words of length '6' in the given sentence.
answer:
a large long bus on the side of the teerts


question:
Sentence: 'a small child sits in front of some toys'. Reverse all words of length '2' in the given sentence.
answer:

a small child sits ni front fo some toys