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

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

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