With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ruth Negga portrayed Mildred Loving in a movie.
text_B: The Große Aa is a 25 km long , right , eastern tributary of the River Ems in western Lower Saxony -LRB- Germany -RRB- .. Lower Saxony. Lower Saxony. Germany. Germany. Ems. Ems ( river ). tributary. tributary. River Ems. Ems ( river ). It begins in the collective municipality of Freren , near the quarter of Overwater , at the confluence of the Deeper Aa and Ahe rivers .. Freren. Samtgemeinde Freren. collective municipality of Freren. Samtgemeinde Freren. Overwater. Overwater. From there is flows through Lunne westwards to Hesselte , where it is joined by the Speller Aa .. Lunne. Lunne. Hesselte. Hesselte. Speller Aa. Speller Aa. From there on it runs parallel to the Dortmund-Ems Canal and discharges into the Ems 6 km south of Lingen , a few metres north of the mouth of the canal after the Gleesen locks .. Ems. Ems ( river ). Dortmund-Ems Canal. Dortmund-Ems Canal. Lingen. Lingen ( Ems ). 1Grosse Aa. 1Grosse Aa. Category :Ems drainage basin. Category  : Emsland -LRB- region -RRB-. Category  : Rivers of Lower Saxony. Lower Saxony. Lower Saxony
not_related.