You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: EUROPEAN CAPITALS 
Clue: Although capital of its country, it is not the capital of the province in which it's located, nor is it the seat of government
amsterdam

Category: MODERN LANGUAGES 
Clue: An estimated 100,000-plus people speak this language whose nouns have no gender & end with -o
esperanto

Category: THE SOLAR SYSTEM 
Clue: The 2 planets that have no moons

mercury & venus

