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

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

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