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

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

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