With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: 50 Cent released at least six studio gospel albums.
text_B: Social network is a theoretical concept in the social sciences , particularly Sociology and Anthropology , referring to a social structure made up of individuals or organizations .. Social network. Social network. social sciences. social sciences. Sociology. Sociology. Anthropology. Anthropology. It may also refer to  :
not_related.