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

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

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