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

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

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