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

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

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