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

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

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