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

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

*GRAMMAR*
zup -> RED 
 wif -> YELLOW 
 tufa -> PURPLE 
 dax -> BLUE 
 x1 gazzer x2 -> [x2] [x1] 
 u1 blicket x1 -> [x1] [u1] [x1] [u1] [u1] 
 x1 lug -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 