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

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

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