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

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

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