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

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

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