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

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

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