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

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

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