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

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

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