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

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

*GRAMMAR*
wif -> YELLOW 
 blicket -> BLUE 
 dax -> GREEN 
 lug -> PURPLE 
 x1 fep x2 -> [x2] [x1] [x1] 
 x1 kiki u1 -> [u1] [x1] [x1] 
 x1 tufa -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 