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 man watches two giraffes eating from a box'. Reverse all words of length '4' in the given sentence.
answer:
a man watches two giraffes eating morf a box


question:
Sentence: 'a vase of flowers sitting near a candle on a sink'. Reverse all words of length '6' in the given sentence.
answer:
a vase of flowers sitting near a eldnac on a sink


question:
Sentence: 'a small elephant standing next to a bush'. Reverse all words of length '2' in the given sentence.
answer:

a small elephant standing next ot a bush