Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

Q: silliness is when a person acts like a fool, or shows a lack of good sense or judgment.

A: silliness
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Q: be careful with my heart is a philippine television drama series.

A: be careful with my heart
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Q: the mongolian language (, "mongɣol kele", cyrillic: Монгол хэл, "mongol khel") is the best-known member of the mongolic language family and the language of most of the residents of mongolia, where it is officially written with the cyrillic alphabet and of around three million mongolian speakers in the "inner mongolia autonomous region" of china, where it is officially written with the traditional mongolian script.

A:
mongolian language
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