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

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

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