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

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

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