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

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

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