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

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

*GRAMMAR*
wif -> GREEN 
 dax -> YELLOW 
 fep -> PURPLE 
 kiki -> BLUE 
 x1 blicket x2 -> [x1] [x2] 
 u1 lug u2 -> [u2] [u1] 
 x1 zup x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 