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

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

*GRAMMAR*
zup -> BLUE 
 kiki -> YELLOW 
 dax -> RED 
 wif -> PINK 
 u1 tufa -> [u1] [u1] 
 u1 blicket u2 -> [u2] [u1] [u2] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 