Business & Finance **Reasoning:** The given title "Oil and gas Indonesia" falls under the umbrella of the business sector, specifically within the category of finance and commerce of oil and gas in Indonesia.

Since DuckVapeShop seems to be related to vaporizers, vapes, and e-commerce. Given the list of categories, Cryptocurrency & Trading Adult & NSFW

E-commerce (Not in the list however)

E-commerce

E-commerce is neither listed nor implied in the provided options. However, Referral is a form of consideration in business and finance, which refers to fees or commissions paid to intermediaries for being involved in generating new customers or sales. The most specific and relevant category in the provided list for "Free Referral" is therefore "Business & Finance"

E-commerce Sevices

Shopping & Deals doesn't fit here. Shopping & Deals

Discount Showcase doesn't appear on the list. Free online shopping (Promo & Shopping, or a similar title), is most closely associated with the title, in this regard let's output "Adult & NSFW

Kedai(market) implies the presence of shops or places for sale, thus the most fitting category would be "Shopping & Deals or Food & Cooking," but as the primary phrase contains Shopping & the second word is "Kedai Murah Wan" which means cheap eatery, discount food, here Menu in many Malaysia favourite fast food. "Food & Cooking

Shopping & Deals (or Adult & NSFW, but I'm assuming it's a shop because BJ seems quite informal so we prioritized the text which seems to hint of a shopping site, wholesale perhaps)

Telegram wasn't found in the provided list, it seems like "TELEGRAM MALL" is likely a reference to a shopping mall or retail center located within the Telegram app or a hypothetical shopping mall within Telegram, however based on the provided description, I would recommend Technology & programming.

Based on the given information, "Prom.ua / Rozetka" seems to relate to online shopping, but the closest and most relevant category from the provided list is: Shopping & Deals