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

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

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