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

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

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