Someone... please teach this SMRT staff how to draw a line..Straits Time July 17, 2009THE crime? Eating a sweet on board an MRT train.The punishment? A $30 fine.The offender 48-year-old housewife, Mdm Bibi Zaina Binti Mohamed attempts to justify her actions.She said, 'I know it is not OK but I take it sometimes because I am giddy.'Enforcement officer Roger Foo did not buy her …