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

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

*GRAMMAR*
zup -> PURPLE 
 wif -> BLUE 
 fep -> RED 
 tufa -> YELLOW 
 x1 lug x2 -> [x1] [x2] [x1] [x2] 
 u1 blicket x1 -> [x1] [u1] 
 x1 gazzer -> [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 