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

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

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