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

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

*GRAMMAR*
tufa -> BLUE 
 wif -> PURPLE 
 gazzer -> PINK 
 zup -> GREEN 
 x1 fep x2 -> [x2] [x1] [x2] 
 x1 blicket u1 -> [u1] [x1] [x1] 
 x1 dax -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 