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

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

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