With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Conspiracy theories say the crash was due to a U.S. Navy missile test gone awry, a terrorist missile strike or an on-board bomb.
text_B: Conspiracy theories say the crash was due to a U.S. Navy missile test gone awry, a terrorist missile strike.
entailment.