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

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

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