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

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

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