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

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

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