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

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

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