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

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

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