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

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

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