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

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

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