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

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

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