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

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

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