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

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

*GRAMMAR*
zup -> GREEN 
 fep -> BLUE 
 gazzer -> RED 
 dax -> YELLOW 
 u1 wif x1 -> [u1] [u1] [x1] 
 x1 kiki x2 -> [x2] [x1] [x1] 
 x1 lug x2 -> [x1] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 