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

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

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