*SUPPORT*
IN: zup OUT: BLUE
IN: wif gazzer kiki OUT: GREEN RED
IN: kiki wif dax kiki gazzer lug OUT: PINK GREEN GREEN RED GREEN
IN: wif fep OUT: RED RED RED
IN: zup dax zup OUT: BLUE BLUE BLUE
IN: lug lug OUT: PINK PINK
IN: wif OUT: RED
IN: lug wif gazzer wif fep OUT: RED RED RED PINK RED
IN: zup lug OUT: BLUE PINK
IN: lug dax kiki gazzer wif zup kiki OUT: RED BLUE GREEN GREEN PINK GREEN
IN: zup dax lug fep OUT: PINK PINK PINK BLUE PINK PINK PINK
IN: lug OUT: PINK
IN: zup lug lug OUT: BLUE PINK PINK
IN: wif lug dax wif OUT: RED RED PINK RED

*QUERY*
IN: zup dax wif lug OUT: RED PINK BLUE RED PINK
IN: zup wif OUT: BLUE RED
IN: lug dax zup OUT: BLUE PINK BLUE
IN: wif dax wif dax kiki OUT: GREEN RED GREEN RED GREEN RED GREEN
IN: kiki lug wif wif OUT: GREEN PINK RED RED
IN: kiki OUT: GREEN
IN: lug fep OUT: PINK PINK PINK
IN: kiki dax zup dax wif OUT: RED BLUE RED GREEN RED BLUE RED
IN: kiki dax wif lug gazzer kiki fep OUT: GREEN GREEN GREEN RED PINK GREEN RED PINK
IN: kiki dax wif dax zup OUT: BLUE RED BLUE GREEN BLUE RED BLUE

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