*SUPPORT*
IN: zup gazzer OUT: BLUE BLUE
IN: tufa kiki tufa fep tufa lug OUT: YELLOW YELLOW YELLOW YELLOW RED
IN: tufa OUT: YELLOW
IN: dax OUT: PURPLE
IN: zup dax dax gazzer OUT: BLUE PURPLE PURPLE BLUE PURPLE PURPLE
IN: tufa gazzer OUT: YELLOW YELLOW
IN: tufa fep tufa OUT: YELLOW YELLOW YELLOW
IN: tufa fep lug OUT: YELLOW YELLOW RED
IN: zup zup tufa gazzer OUT: BLUE BLUE YELLOW BLUE BLUE YELLOW
IN: dax lug OUT: PURPLE RED
IN: zup lug OUT: BLUE RED
IN: zup OUT: BLUE
IN: lug fep tufa gazzer OUT: RED RED YELLOW YELLOW
IN: lug lug fep dax gazzer OUT: RED RED RED PURPLE RED RED RED PURPLE

*QUERY*
IN: dax fep tufa zup dax dax tufa OUT: PURPLE PURPLE YELLOW BLUE PURPLE PURPLE YELLOW
IN: zup fep lug OUT: BLUE BLUE RED
IN: dax fep lug OUT: PURPLE PURPLE RED
IN: zup fep tufa gazzer kiki zup OUT: BLUE BLUE YELLOW YELLOW BLUE
IN: dax gazzer gazzer OUT: PURPLE PURPLE PURPLE PURPLE
IN: tufa lug OUT: YELLOW RED
IN: lug OUT: RED
IN: zup fep dax kiki dax OUT: BLUE BLUE PURPLE PURPLE
IN: tufa tufa gazzer OUT: YELLOW YELLOW YELLOW YELLOW
IN: lug gazzer OUT: RED RED

*GRAMMAR*
tufa -> YELLOW 
 zup -> BLUE 
 lug -> RED 
 dax -> PURPLE 
 u1 fep x1 -> [u1] [u1] [x1] 
 x1 gazzer -> [x1] [x1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 