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

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

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