What is the primary purpose of Kabu in the tradition of Japanese agriculture? (Expert)
#1: To control pests
#2: To improve soil quality
#3: To act as a natural fertilizer
#4: To provide shade for crops
What unique feature distinguishes Kabu from other types of radishes? (Hard)
#1: Kabu is smaller than all other radishes
#2: Kabu has a thicker skin
#3: Kabu is purple in color
#4: Kabu has a sweeter taste