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

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

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