With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Frederick Trump was birthed in a village.
text_B: Calcium benzoate refers to the calcium salt of benzoic acid .. calcium. calcium. salt. Salt ( chemistry ). benzoic acid. benzoic acid. When used in the food industry as a preservative , its E number is E213 -LRB- INS number 213 -RRB- ; it is approved for use as a food additive in the EU , USA and Australia and New Zealand .. preservative. preservative. E number. E number. food additive. food additive. The formulas and structures of calcium carboxylate derivatives of calcium and related metals are complex .. calcium. calcium. Generally the coordination number is eight and the carboxylates form Ca-O bonds .. Another variable is the degree of hydration .
not_related.