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

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

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