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

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

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