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

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

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