With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: S.M. Entertainment formed Girls' Generation.
text_B: Radio St. Lucia is a radio station on Saint Lucia , located on the Morne Castries .. radio station. radio station. Saint Lucia. Saint Lucia. Castries. Castries. For a long period of time it was the only radio station on the island .. radio station. radio station. Its programming features a mixture of news , music , talk .. They were once wholly owned and operated by the Government of Saint Lucia but has since been privatised .. Saint Lucia. Saint Lucia
not_related.