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

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

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