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

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

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