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

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

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