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

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

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