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

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

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