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

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

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