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

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

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