With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: In this context, TDS has the same general objectives as optical burst switching and optical packet switching: realizing all-optical networks with high wavelength utilization.
text_B: In this context, TDS has the same general objectives as optical packet switching : : realizing all - optical networks with high wavelength utilization.
entailment.