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

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

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