Task: Question Answering
Input (English): Passage: According to Tilmann Vetter, the core of earliest Buddhism is the practice of dhyāna. Bronkhorst agrees that dhyana was a Buddhist invention, whereas Norman notes that "the Buddha's way to release [...] was by means of meditative practices." Discriminating insight into transiency as a separate path to liberation was a later development. Question: What was the earliest Buddhism type?
Output (English): dhyana