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

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

*GRAMMAR*
fep -> PINK 
 dax -> BLUE 
 wif -> RED 
 lug -> PURPLE 
 x1 gazzer -> [x1] [x1] 
 u1 kiki u2 -> [u1] [u2] 
 x1 tufa x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 