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

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

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