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

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

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