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

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

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