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

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

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