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

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

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