Category Nuances for motor_racing:

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

Simple Categories for motor_racing:

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