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

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

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