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

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

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