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

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

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