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

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

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