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

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

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