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 black cow stands alone in a grassy field'. Reverse all words of length '3' in the given sentence.
answer:
a black woc stands alone in a grassy field


question:
Sentence: 'a man standing next to a parked car under a street sign'. Reverse all words of length '6' in the given sentence.
answer:
a man standing next to a dekrap car under a teerts sign


question:
Sentence: 'a man sits on a cement ledge near a kite'. Reverse all words of length '1' in the given sentence.
answer:

a man sits on a cement ledge near a kite