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

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

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