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

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

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