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

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

*GRAMMAR*
blicket -> BLUE 
 dax -> YELLOW 
 kiki -> GREEN 
 lug -> RED 
 u1 tufa u2 -> [u2] [u2] [u1] 
 x1 gazzer -> [x1] [x1] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 