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

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

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