With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Before Galileo, it was thought that all bright objects in the sky were either the planets in the Solar System, moons, comets.
text_B: Before Galileo, it was thought that all bright objects in the sky were either the planets in the Solar System, moons, comets, or stars.
neutral.