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

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

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