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

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

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