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

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

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