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

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

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