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

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

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