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

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

*GRAMMAR*
kiki -> BLUE 
 blicket -> GREEN 
 wif -> YELLOW 
 tufa -> RED 
 u1 gazzer -> [u1] [u1] 
 u1 dax u2 -> [u2] [u1] 
 u1 zup x1 -> [x1] [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 