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

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

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