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

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

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