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

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

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