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

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

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