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

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

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