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

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

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