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

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

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