response: Nice!  I know that kale leaves don't make a head, like headed cabbages do.  Also, their leaves can be purple or green!
original_response: it is great. A kale plant has green or purple leaves! what color is your favorite?
history: Kale is so good for you. I try to eat it every day.
knowledge: A kale plant has green or purple leaves and the central leaves do not form a head (as with headed cabbages).