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

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

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