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

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

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