Choose the word which is different from the rest.

The answer is C. Driving.

Swimming, diving, sailing, and fishing are all activities that involve water. Driving does not involve water.

Swimming is the act of propelling oneself through water using the limbs and body. Diving is the act of submerging oneself in water, typically for a short period of time. Sailing is the act of controlling the movement of a boat through the water using sails. Fishing is the activity of trying to catch fish.

Driving is the act of operating a motor vehicle. It does not involve water.