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

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

*GRAMMAR*
fep -> GREEN 
 zup -> RED 
 gazzer -> PURPLE 
 dax -> YELLOW 
 u1 lug u2 -> [u2] [u1] 
 x1 wif -> [x1] [x1] 
 x1 kiki x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 