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

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

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