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

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

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