With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sharon Tate had a husband who was a producer.
text_B: Parliamentary elections were held in Chile on 2 March 1969 .. Chile. Chile. The Christian Democratic Party lost their majority in the Chamber of Deputies , but remained the largest party in both houses .. Chamber of Deputies. Chamber of Deputies of Chile. Christian Democratic Party. Christian Democratic Party ( Chile )
not_related.