With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: The S3 molecule or trisulfur or sulfur trimer or thiozone or triatomic sulfur is an allotrope of sulfur.
text_B: The S4 molecule or trisulfur or sulfur trimer or thiozone or triatomic sulfur is an allotrope of sulfur.
neutral.