With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Budapest was not the focal point of the Hungarian Revolution of 1848.
text_B: Irish Presbyterian Mission was an Irish Presbyterian missionary society that was involved in sending workers to countries such as China during the late Qing Dynasty .. Irish. Ireland. Presbyterian. Presbyterian. China. China. Qing Dynasty. Qing Dynasty
not_related.