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

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

*GRAMMAR*
wif -> PINK 
 dax -> BLUE 
 blicket -> YELLOW 
 fep -> RED 
 x1 gazzer u1 -> [x1] [u1] [u1] [u1] [u1] 
 u1 zup -> [u1] [u1] [u1] 
 u1 tufa u2 -> [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 