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

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

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