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

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

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