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

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

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