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

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

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