With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: They were first observed in 1869 by German physicist Johann Wilhelm Hittorf, and were named in 1876 by Eugen Goldstein "Kathodenstrahlen", or cathode rays.
text_B: They were first observed in 1869 by German physicist Johann Wilhelm Hittorf, and were named in 1876 by Eugen Goldstein " Kathodenstrahlen ".
entailment.