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

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

*GRAMMAR*
zup -> PINK 
 fep -> YELLOW 
 wif -> RED 
 dax -> PURPLE 
 u1 tufa u2 -> [u1] [u1] [u2] [u2] [u1] [u2] [u2] [u1] 
 u1 kiki -> [u1] [u1] [u1] [u1] 
 x1 gazzer x2 -> [x1] [x1] [x2] [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 