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

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

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