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

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

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