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

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

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