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

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

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