rtokens: Singapore has a mandatory death sentence for anyone over 18 years of age found guilty of trafficking in more than 15 grams ( half an ounce ) of heroin , 30 grams ( an ounce ) of morphine or 500 grams ( 18 oz ) of cannabis or marijuana .
pos: NNP NNP , CD , VBD VBN IN CD WRB PRP VBD VBN IN CD NNS IN NNS VBG CD JJ ( CD NNS ) , DT NNP VBD .
tokens: Jeerasak Densakul , 24 , was arrested in 1995 when he was found with 11 slabs of cannabis weighing 2.2 kg ( 4.8 pounds ) , the CNB said .
ltokens: Singapore hanged a Thai farmer at Changi Prison on Friday for drug trafficking , the Central Narcotics Bureau ( CNB ) said .