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

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

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