Definition: Compose a new way to ask the same question. The new question must be asking the exact same thing as the original question does. Without any other information, you should be able to tell that the original question and the new question are the same. Preserve bracketed phrases in your new question. You can change the rest of the question provided the above requirements are satisfied. The new question must have a natural, fluent formulation, as if it were composed by a native English speaker. You will be given three pieces of information to help you create better questions. Those are: "Answer": the answer to the question, e.g., "Honolulu". "Answer Type": the type of the answer, e.g., "Location". "Auxiliary Information" is a detailed description of some concepts mentioned in the question, if any.
Input: original question: Which collection category has collection activity [Militaria]?
answer: firearm, toy soldier, dagger...
answer type: Collection category.
auxiliary information: Militaria are artifacts or replicas of military, police, etc., collected for their historical significance. Such antiques include firearms, swords, knives, and other equipment such as; uniforms, helmets, other military headgear, and armour; military orders and decorations; challenge coins and awards; badges, buttons and insignia; military art, sculpture, and prints; ephemera such as cigarette cards, photographs, antiquarian books, magazines and posters; scale models and toy soldiers; and items of combat equipment and field gear. Today, the collecting of militaria is an established hobby among many groups of people. Many European families, specifically those royal families with long martial tradition, have large collections of militaria passed down from generation to generation. Also, many people today collect militaria for investment purposes. An alternate name, used by many dealers, for militaria is 'military antiquities' or 'military antiques'.

The [Militaria] collection activity is contained within which collection category?