Category Nuances for motor_racing:

• seasonal,
• dangerous,
• sporting,
• exciting,
• hazardous,
• recreational,
• special,
• fast,
• professional,
• popular,
• individual,
• extreme,
• expensive,
• american,
• international,
• related,
• risky,
• new,
• moving,
• major,

Simple Categories for motor_racing:

• sport,
• activity,
• event,
• action,
• pastime,