#hard_drug  a narcotic that is considered relatively strong
  supertype:  #narcotic  a drug that produces numbness or stupor; often taken for pleasure or to reduce pain; extensive use can lead to addiction
  subtype:  #cocaine__cocain__coke__snow__C  a narcotic (alkaloid) extracted from coca leaves; used as a surface anesthetic or taken for pleasure; can become addictive
     subtype:  #crack  a purified and potent form of cocaine that is smoked rather than snorted
  subtype:  #heroin__diacetylmorphine__H__horse__junk__scag__shit__smack  a narcotic that is considered a hard drug; a highly addictive morphine derivative

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