Sit down has a sub-event of you drink. Memorise has a sub-event of read. Study has a sub-event of read. Join army has a sub-event of you put it in your pocket. Join army has a sub-event of you drink. Read is utilised in learn. Have examination does not have a sub-event of lie down and close eye. Have examination has a sub-event of study. Read has a sub-event of sit down. Strike match has a sub-event of you put it in your pocket. Study does not have a sub-event of lie down and close eye. Have examination does not have a sub-event of bottle will break.
Read does not have a sub-event of you drink.