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

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

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