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

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

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