*SUPPORT*
IN: dax tufa fep OUT: GREEN GREEN RED
IN: dax tufa fep tufa zup OUT: YELLOW YELLOW GREEN GREEN RED
IN: dax lug tufa fep OUT: GREEN GREEN RED RED RED RED
IN: gazzer gazzer OUT: PURPLE PURPLE
IN: gazzer blicket gazzer OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: gazzer OUT: PURPLE
IN: fep OUT: GREEN
IN: gazzer fep tufa fep OUT: GREEN GREEN PURPLE GREEN
IN: gazzer dax lug OUT: PURPLE RED RED RED RED
IN: fep lug OUT: GREEN GREEN GREEN GREEN
IN: fep lug tufa gazzer OUT: PURPLE PURPLE GREEN GREEN GREEN GREEN
IN: dax OUT: RED
IN: gazzer lug OUT: PURPLE PURPLE PURPLE PURPLE
IN: zup blicket fep OUT: YELLOW GREEN YELLOW YELLOW YELLOW

*QUERY*
IN: gazzer fep zup OUT: PURPLE GREEN YELLOW
IN: dax dax lug OUT: RED RED RED RED RED
IN: zup dax zup dax lug OUT: YELLOW RED YELLOW RED RED RED RED
IN: dax lug OUT: RED RED RED RED
IN: gazzer zup lug OUT: PURPLE YELLOW YELLOW YELLOW YELLOW
IN: gazzer tufa zup OUT: YELLOW YELLOW PURPLE
IN: zup lug OUT: YELLOW YELLOW YELLOW YELLOW
IN: fep zup lug OUT: GREEN YELLOW YELLOW YELLOW YELLOW
IN: zup blicket zup tufa fep OUT: GREEN GREEN YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup OUT: YELLOW

*GRAMMAR*
gazzer -> PURPLE 
 zup -> YELLOW 
 fep -> GREEN 
 dax -> RED 
 x1 blicket u1 -> [x1] [u1] [x1] [x1] [x1] 
 u1 lug -> [u1] [u1] [u1] [u1] 
 x1 tufa u1 -> [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 