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

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

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