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

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

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