With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Yangon is Myanmar's is its most important commercial center.
text_B: Stellaria lamberti is a species of large sea snail , a marine gastropod mollusk in the family Xenophoridae , the carrier shells .. Xenophoridae. Xenophoridae. Stellaria. Stellaria ( gastropod ). species. species. sea snail. sea snail. marine. marine ( ocean ). gastropod. gastropod. mollusk. mollusk. family. family ( biology )
not_related.