This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Drug Abuse, Subject name: Forensic Medicine
[{'content': 'Which of the following does not refer to cannabis preparation \nSelect and explain. \nA. Charas, B. Afeem, C. Reefer, D. Sinsemella', 'role': 'user'}, {'content': 'Answer: B \nExplanation: PREPARATIONS OF CANNABIS Bhang: Decoction from dried leaveQ qand fruit shoots; 15% of active principle Majoon Sweet prepared from bhang Ganja Leaves and flower tops of female plantQ; 25% of active principleQ Charas or Hashish ResinQ exuding from leaves and stems; 25-40% of active principleQ Most potentQ Marijuana Dried flowering tops crushed and smoked in a pipe Sinsemilla Seedless marijuana', 'role': 'assistant'}]