Process the following in a juicer or a blender:
- 2 small beets, trimmed and cut into chunks (about 8 ounces)
- 1 large carrot, cut into chunks (about 3 ounces)
- 2-inch piece ginger, cut into chunks (peeled if using a blender)
- 1 small lemon, quartered (juiced if using a blender)