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

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

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