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

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

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