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

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

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