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

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

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