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

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

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