*SUPPORT*
IN: tufa zup lug OUT: PINK GREEN GREEN
IN: dax kiki OUT: BLUE BLUE BLUE
IN: dax lug OUT: BLUE GREEN
IN: blicket fep OUT: YELLOW YELLOW
IN: blicket blicket tufa fep OUT: YELLOW YELLOW PINK PINK
IN: lug zup lug OUT: GREEN GREEN GREEN
IN: tufa OUT: PINK
IN: dax fep kiki OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: lug OUT: GREEN
IN: lug zup blicket OUT: GREEN YELLOW YELLOW
IN: dax OUT: BLUE
IN: dax fep OUT: BLUE BLUE
IN: tufa fep kiki OUT: PINK PINK PINK PINK PINK PINK
IN: dax zup dax OUT: BLUE BLUE BLUE

*QUERY*
IN: tufa fep OUT: PINK PINK
IN: blicket kiki OUT: YELLOW YELLOW YELLOW
IN: lug zup dax OUT: GREEN BLUE BLUE
IN: blicket zup blicket OUT: YELLOW YELLOW YELLOW
IN: dax tufa dax OUT: BLUE PINK BLUE
IN: lug fep OUT: GREEN GREEN
IN: blicket lug fep OUT: YELLOW GREEN GREEN
IN: dax tufa OUT: BLUE PINK
IN: lug dax tufa fep OUT: GREEN BLUE PINK PINK
IN: blicket OUT: YELLOW

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