tall are generally learned cactus
toothpick_cactus is cactus. saguaro is cactus. san_rafael_cactus is cactus. lee_pincushion_cactus is cactus. saguaro is not cactus. key_tree_cactus is cactus. star_cactus is cactus. toothpick_cactus is not cactus.