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

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

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