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

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

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