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

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

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