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

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

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