Use computer has a sub-event of read newspaper. Use computer does not have a sub-event of be very quiet. Surf web does not have a sub-event of be very quiet. Smoke marijuana has a sub-event of global thermonuclear war. Eat breakfast has a sub-event of global thermonuclear war. Write article has a sub-event of strike out. Surf web does not have a sub-event of examine storage. Read newspaper has a sub-event of eat breakfast. Smoke marijuana does not have a sub-event of strike out. Surf web has a sub-event of use computer.
Use computer does not have a sub-event of read newspaper.