With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Uganda is a place that Ryan Gosling has visited.
text_B: Pitch Black Prism is a studio album by American hip hop musician Alias .. Alias. Alias ( musician ). It was released on Anticon in 2014 .. Anticon. Anticon. The album was preceded by the free EP , Indiiggo .
not_related.