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

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

*GRAMMAR*
wif -> BLUE 
 gazzer -> GREEN 
 zup -> PINK 
 kiki -> YELLOW 
 u1 tufa u2 -> [u2] [u1] 
 x1 dax -> [x1] [x1] 
 x1 blicket x2 -> [x1] [x1] [x2] [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 