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

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

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