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

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

*GRAMMAR*
wif -> YELLOW 
 dax -> RED 
 tufa -> PINK 
 fep -> BLUE 
 x1 blicket u1 -> [u1] [x1] [u1] 
 x1 lug x2 -> [x2] [x1] [x2] 
 u1 zup u2 -> [u1] [u2] [u2] [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 