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

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

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