Sleep has a sub-event of die. Sickness does not have a sub-event of remove capture piece from board. Sickness has a sub-event of sleep. Memorize has a sub-event of complaint. Memorize does not have a sub-event of get unconscious. Lose consciousness has a sub-event of get unconscious. Commit to memory has a sub-event of complaint. Sickness does not have a sub-event of move knight. Die has a sub-event of lose consciousness.
Sleep has a sub-event of die.