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

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

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