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

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

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