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

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

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