*SUPPORT*
IN: wif OUT: RED
IN: tufa fep wif OUT: PINK BLUE RED
IN: wif zup OUT: RED RED
IN: tufa zup OUT: PINK PINK
IN: wif gazzer zup OUT: RED PURPLE PURPLE
IN: gazzer dax OUT: PURPLE PURPLE
IN: fep wif zup OUT: BLUE RED RED
IN: fep zup OUT: BLUE BLUE
IN: tufa kiki tufa wif zup OUT: PINK PINK PINK PINK PINK RED RED
IN: tufa gazzer OUT: PINK PURPLE
IN: fep OUT: BLUE
IN: fep fep zup OUT: BLUE BLUE BLUE
IN: fep gazzer dax OUT: BLUE PURPLE PURPLE
IN: tufa OUT: PINK

*QUERY*
IN: tufa dax OUT: PINK PINK
IN: wif dax OUT: RED RED
IN: tufa kiki wif zup OUT: PINK PINK PINK PINK RED RED
IN: wif gazzer dax OUT: RED PURPLE PURPLE
IN: gazzer OUT: PURPLE
IN: fep kiki gazzer OUT: BLUE BLUE BLUE BLUE PURPLE
IN: fep dax OUT: BLUE BLUE
IN: gazzer zup OUT: PURPLE PURPLE
IN: fep wif wif dax OUT: BLUE RED RED RED
IN: tufa fep OUT: PINK BLUE

*GRAMMAR*
gazzer -> PURPLE 
 fep -> BLUE 
 tufa -> PINK 
 wif -> RED 
 x1 kiki x2 -> [x1] [x1] [x1] [x1] [x2] 
 u1 zup -> [u1] [u1] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 