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

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

*GRAMMAR*
zup -> RED 
 lug -> PURPLE 
 tufa -> YELLOW 
 kiki -> PINK 
 u1 fep u2 -> [u2] [u1] 
 x1 dax -> [x1] [x1] 
 x1 wif x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 