Jump does not involve sit. Eat involves watch tv. Jump does not involve sign book. Sit involves think. Watch tv has a prerequisite of turn on tv set. Sit has property relax. Have food does not involve watch. Read newspaper involves sit. Jump involves think. Drink beer involves watch tv. Have food involves eat. Watch tv involves sit. Hang upside down involves sign book. Have food does not involve you damage your liver.
Eat does not involve think.