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

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

*GRAMMAR*
dax -> BLUE 
 lug -> PURPLE 
 tufa -> RED 
 gazzer -> GREEN 
 u1 blicket u2 -> [u2] [u1] 
 x1 fep x2 -> [x2] [x1] [x2] [x1] [x2] [x2] 
 x1 wif -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 