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

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

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