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

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

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