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

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

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