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

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

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