Premise: Benzodiazepines ( BZD , BZs ) , sometimes called `` benzos '' , are a class of psychoactive drugs whose core chemical structure is the fusion of a benzene ring and a diazepine ring . When combined with other central nervous system ( CNS ) depressants such as alcoholic drinks and opioids , the potential for toxicity and fatal overdose increases . Michael Jackson . While preparing for his comeback concert series , This Is It , Jackson died of acute propofol and benzodiazepine intoxication on June 25 , 2009 , after suffering from cardiac arrest . Propofol , marketed as Diprivan among others , is a short-acting medication that results in a decreased level of consciousness and lack of memory for events .
Hypothesis: Drugs were the cause of Michael Jackson's death.
Label: ENTAILMENT