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

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

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