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

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

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