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

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

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