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

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

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