Category Nuances for null:

• temperate,
• functional,
• supporting,
• annual,
• related,
• military,
• key,
• necessary,
• professional,
• new,
• desirable,
• special,
• local,

Simple Categories for null:

• legume,
• person,
• professional,
• character,
• unit,
• practitioner,
• plant,
• weed,
• annual,