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

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

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