*SUPPORT*
IN: wif dax OUT: BLUE PINK
IN: dax OUT: PINK
IN: kiki blicket wif OUT: BLUE GREEN BLUE
IN: dax fep OUT: PINK PINK
IN: wif fep OUT: BLUE BLUE
IN: kiki OUT: GREEN
IN: lug kiki lug kiki OUT: PURPLE GREEN PURPLE GREEN
IN: kiki fep OUT: GREEN GREEN
IN: dax dax fep OUT: PINK PINK PINK
IN: kiki blicket dax blicket lug OUT: PURPLE PINK PURPLE GREEN PURPLE PINK PURPLE
IN: kiki blicket wif blicket wif OUT: BLUE BLUE BLUE GREEN BLUE BLUE BLUE
IN: lug kiki OUT: PURPLE GREEN
IN: lug blicket kiki OUT: GREEN PURPLE GREEN
IN: wif kiki dax OUT: BLUE GREEN PINK

*QUERY*
IN: dax blicket kiki fep OUT: GREEN GREEN PINK GREEN GREEN
IN: lug OUT: PURPLE
IN: wif wif OUT: BLUE BLUE
IN: wif OUT: BLUE
IN: lug fep OUT: PURPLE PURPLE
IN: kiki dax fep OUT: GREEN PINK PINK
IN: lug blicket dax OUT: PINK PURPLE PINK
IN: wif lug blicket kiki fep OUT: BLUE GREEN GREEN PURPLE GREEN GREEN
IN: wif blicket dax OUT: PINK BLUE PINK
IN: kiki kiki OUT: GREEN GREEN

*GRAMMAR*
dax -> PINK 
 kiki -> GREEN 
 lug -> PURPLE 
 wif -> BLUE 
 u1 fep -> [u1] [u1] 
 u1 blicket x1 -> [x1] [u1] [x1] 
 x1 gazzer x2 -> [x1] [x1] [x1] [x2] [x2] [x2] [x2] 
 u1 x1 -> [u1] [x1] 
 