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

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

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