*SUPPORT*
IN: fep blicket wif OUT: RED BLUE BLUE RED
IN: zup OUT: PURPLE
IN: fep fep OUT: BLUE BLUE
IN: wif gazzer zup gazzer zup OUT: PURPLE PURPLE RED
IN: fep OUT: BLUE
IN: fep gazzer tufa OUT: PINK BLUE
IN: wif fep wif gazzer wif tufa OUT: RED BLUE RED PINK RED
IN: tufa zup OUT: PINK PURPLE
IN: tufa OUT: PINK
IN: zup fep gazzer fep fep OUT: PURPLE BLUE BLUE BLUE
IN: zup blicket tufa gazzer tufa OUT: PINK PINK PURPLE PURPLE PINK PINK
IN: fep gazzer wif OUT: RED BLUE
IN: wif blicket wif fep OUT: RED BLUE RED RED RED BLUE
IN: zup wif gazzer wif OUT: PURPLE RED RED

*QUERY*
IN: tufa fep OUT: PINK BLUE
IN: zup blicket zup OUT: PURPLE PURPLE PURPLE PURPLE
IN: wif gazzer tufa OUT: PINK RED
IN: fep blicket fep gazzer tufa OUT: PINK BLUE BLUE BLUE PINK BLUE
IN: zup gazzer fep lug OUT: BLUE BLUE BLUE BLUE BLUE BLUE PURPLE
IN: wif zup gazzer zup blicket wif OUT: RED RED PURPLE PURPLE RED PURPLE
IN: fep gazzer tufa lug OUT: PINK PINK PINK PINK PINK PINK BLUE
IN: fep lug OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif OUT: RED
IN: wif zup OUT: RED PURPLE

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