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

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

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