*SUPPORT*
IN: lug tufa lug blicket fep OUT: BLUE YELLOW PINK BLUE
IN: lug gazzer OUT: BLUE RED
IN: blicket fep OUT: YELLOW PINK
IN: fep lug tufa blicket kiki OUT: PINK YELLOW YELLOW BLUE
IN: gazzer tufa blicket tufa blicket kiki dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW RED
IN: gazzer tufa lug tufa fep fep OUT: PINK PINK BLUE RED
IN: gazzer tufa blicket OUT: YELLOW RED
IN: lug dax OUT: BLUE BLUE BLUE
IN: fep kiki dax OUT: PINK PINK PINK PINK PINK PINK
IN: gazzer dax OUT: RED RED RED
IN: blicket dax OUT: YELLOW YELLOW YELLOW
IN: fep kiki OUT: PINK PINK
IN: gazzer kiki OUT: RED RED
IN: lug fep kiki OUT: BLUE PINK PINK

*QUERY*
IN: lug OUT: BLUE
IN: fep tufa lug tufa gazzer kiki dax OUT: RED RED RED RED RED RED BLUE PINK
IN: gazzer tufa lug kiki OUT: BLUE BLUE RED
IN: gazzer gazzer dax OUT: RED RED RED RED RED RED
IN: fep fep OUT: PINK PINK
IN: lug tufa fep tufa gazzer OUT: RED PINK BLUE
IN: fep OUT: PINK
IN: lug kiki OUT: BLUE BLUE
IN: blicket OUT: YELLOW
IN: gazzer OUT: RED

*GRAMMAR*
gazzer -> RED 
 blicket -> YELLOW 
 lug -> BLUE 
 fep -> PINK 
 u1 tufa x1 -> [x1] [u1] 
 x1 dax -> [x1] [x1] [x1] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 