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

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

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