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

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

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