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

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

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