*SUPPORT*
IN: zup OUT: RED
IN: zup dax gazzer zup OUT: RED GREEN RED
IN: zup blicket wif OUT: RED PURPLE PURPLE
IN: blicket wif OUT: PURPLE PURPLE
IN: zup lug OUT: RED RED RED
IN: fep lug OUT: BLUE BLUE BLUE
IN: dax zup dax wif OUT: GREEN RED GREEN GREEN
IN: zup blicket OUT: RED PURPLE
IN: dax wif OUT: GREEN GREEN
IN: blicket lug OUT: PURPLE PURPLE PURPLE
IN: fep zup gazzer dax OUT: BLUE RED GREEN
IN: dax zup lug OUT: GREEN RED RED RED
IN: fep fep lug OUT: BLUE BLUE BLUE BLUE
IN: dax lug OUT: GREEN GREEN GREEN

*QUERY*
IN: zup dax lug OUT: RED GREEN GREEN GREEN
IN: dax gazzer dax OUT: GREEN GREEN
IN: dax zup dax OUT: GREEN RED GREEN
IN: zup wif OUT: RED RED
IN: fep zup wif OUT: BLUE RED RED
IN: dax blicket fep wif OUT: GREEN PURPLE BLUE BLUE
IN: fep wif OUT: BLUE BLUE
IN: zup gazzer dax OUT: RED GREEN
IN: dax gazzer fep OUT: GREEN BLUE
IN: blicket OUT: PURPLE

*GRAMMAR*
zup -> RED 
 fep -> BLUE 
 dax -> GREEN 
 blicket -> PURPLE 
 u1 wif -> [u1] [u1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 gazzer u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 