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

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

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