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

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

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