With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: In 1956, Hungary had a revolt which spanned the nation.
text_B: Carambie Cave is a large , relatively dry , white limestone cave in Trelawny Parish , Jamaica .. Trelawny. Trelawny Parish, Jamaica. Jamaica. Jamaica. limestone. limestone. cave. cave. Trelawny Parish. Trelawny Parish. It is believed that it may have been used by Taino people although no evidence of their presence has been found .. Taino people. Taino people. It does contain historical graffiti dating back to 1821 .. graffiti. graffiti
not_related.