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

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

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