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

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

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