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

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

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