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

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

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