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

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

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