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

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

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