With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Lead guitarist Paul Kossoff formed Back Street Crawler in 1975, but died from a pulmonary embolism at the age of 25 in 1976.
text_B: Lead guitarist Paul Kossoff formed Back Street Crawler in 1976, but died from a pulmonary embolism at the age of 25 in 1976.
contradiction.