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

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

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