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

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

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