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

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

*GRAMMAR*
dax -> PURPLE 
 gazzer -> RED 
 zup -> GREEN 
 wif -> BLUE 
 x1 blicket u1 -> [x1] [u1] 
 x1 lug -> [x1] [x1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 