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

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

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