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

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

*GRAMMAR*
fep -> PINK 
 wif -> BLUE 
 lug -> GREEN 
 dax -> YELLOW 
 u1 blicket u2 -> [u2] [u1] [u1] 
 x1 kiki -> [x1] [x1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 