A visual hallucination test benchmark covering 8 categories: color, counting, existence, OCR, orientation, position, shape, and size. Contains 2400 total entries (1200 open-ended questions and 1200 yes/no questions) across approximately 650 images. Each entry is tagged with question_type (OEQ or YNQ) and category. OEQ entries use the question/reference_answer fields; YNQ entries use the yes_no_question/yes_no_ground_truth fields.
