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

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

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