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

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

*GRAMMAR*
tufa -> GREEN 
 kiki -> RED 
 blicket -> YELLOW 
 fep -> BLUE 
 u1 zup u2 -> [u1] [u2] 
 x1 dax x2 -> [x2] [x1] 
 x1 lug u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 