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

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

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