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

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

*GRAMMAR*
gazzer -> GREEN 
 tufa -> BLUE 
 wif -> RED 
 fep -> YELLOW 
 x1 kiki -> [x1] [x1] 
 u1 dax -> [u1] [u1] [u1] [u1] [u1] 
 u1 zup u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 