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

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

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