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

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

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