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

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

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