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

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

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