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

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

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