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

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

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