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

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

*GRAMMAR*
dax -> GREEN 
 fep -> RED 
 blicket -> BLUE 
 zup -> PINK 
 x1 kiki -> [x1] [x1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 tufa u2 -> [u2] [u2] [u2] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 