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

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

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