With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Photo taken from underneath a motocross rider on his bike, balancing his back tire on a single rock, looking down at the photographer with a clear blue sky and shining sun behind him.
text_B: Photo taken from underneath a motocross rider on his bike, balancing his back tire on a single rock, looking down at the photographer with a clear red sky and shining sun behind him.
contradiction.