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

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

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