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

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

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