We need to produce JSON with fields: seo_title, summary, key_entities, expert_faq, internal_link_anchor, primary_keyword, secondary_keywords, content_type.

We need summary 180-250 words, 3-4 paragraphs, each 45-65 words.

We have source: "OpenAI appointed Uber Technologies Inc.’s former India and South Asia President Prabhjeet Singh as its managing director for the country, deepening its investment in one of its fastest-growing markets."

We can elaborate: talk about OpenAI's interest in India, growth of AI market, Uber background, etc. But we cannot invent facts not in source. However we can elaborate on what is provided: we can explain that OpenAI is deepening investment, that India is a fast-growing market, that Singh previously led Uber's India and South Asia ops, implying experience scaling operations. We can talk about market impact: AI adoption, potential partnerships, etc. Must not invent stats or specifics not in source. We can mention that OpenAI's move signals commitment to expand presence, etc. That's implied.

We need to be careful not to hallucinate specifics like dollar amounts, user numbers, etc. We can talk about market potential generally but must not state numbers not in source. We can say "one of its fastest-growing markets" is from source. We can elaborate that India's AI sector is expanding rapidly, but that's not in source. That might be considered invented context. The instruction: "If thin on details, elaborate on what the source provides - rephrase, explain implications, add context from the article". It says add context from the source. The source only has that sentence. So we can only elaborate based on that sentence: we can discuss implications of hiring a former Uber India president for OpenAI's operations, what that might mean for scaling, etc. We must not add info not implied. We can infer that Singh has experience leading large teams in India, which could help OpenAI expand. That's implied by his role. We can say that OpenAI is look