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

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

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