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

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

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