*SUPPORT*
IN: dax tufa gazzer dax fep dax OUT: PURPLE PURPLE RED PURPLE PURPLE PURPLE PURPLE
IN: gazzer blicket dax OUT: RED PURPLE
IN: lug blicket lug OUT: BLUE BLUE
IN: dax tufa wif tufa dax blicket dax OUT: PURPLE PURPLE PINK PINK PURPLE PURPLE
IN: dax wif blicket dax OUT: PURPLE PINK PURPLE
IN: wif wif tufa dax blicket dax OUT: PINK PINK PINK PURPLE PURPLE
IN: dax tufa gazzer dax OUT: PURPLE PURPLE RED PURPLE
IN: gazzer blicket gazzer OUT: RED RED
IN: gazzer OUT: RED
IN: dax OUT: PURPLE
IN: lug gazzer OUT: BLUE RED
IN: lug wif blicket lug OUT: BLUE PINK BLUE
IN: dax fep dax OUT: PURPLE PURPLE PURPLE PURPLE
IN: lug tufa lug lug OUT: BLUE BLUE BLUE BLUE

*QUERY*
IN: wif OUT: PINK
IN: dax lug OUT: PURPLE BLUE
IN: wif gazzer OUT: PINK RED
IN: lug tufa dax blicket gazzer OUT: BLUE BLUE PURPLE RED
IN: lug lug blicket dax OUT: BLUE BLUE PURPLE
IN: dax blicket wif OUT: PURPLE PINK
IN: dax blicket gazzer OUT: PURPLE RED
IN: wif fep lug OUT: BLUE PINK BLUE PINK
IN: gazzer lug OUT: RED BLUE
IN: gazzer gazzer OUT: RED RED

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