Category Nuances for null:

• social,
• specialized,
• interactive,
• regular,
• new,
• practical,
• simple,
• physical,
• planned,
• structured,
• meaningful,
• specialised,
• sporting,
• recreational,
• linguistic,
• related,
• extra,
• communal,
• popular,
• unique,
• main,
• organized,

Simple Categories for null:

• event,
• thing,
• dance,
• practice,
• activity,
• group,
• dancing,