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

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

*GRAMMAR*
dax -> GREEN 
 fep -> BLUE 
 wif -> YELLOW 
 zup -> PURPLE 
 x1 blicket -> [x1] [x1] 
 x1 tufa -> [x1] [x1] [x1] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 