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

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

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