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

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

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