With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: The theory of response reactions (RERs) or response equilibria was elaborated for the thermodynamic systems in which more than one equilibrium is established simultaneously.
text_B: The theory of response reactions RERs was elaborated for the thermodynamic systems in which more than one equilibrium is established simultaneously.
entailment.