You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "what does it mean when you hear high pitched noises?" whose answer is Tinnitus.
Each document should contain about 30 words, and these documents should contain useful information.

Query: meanings of high pitched noises
Useful Output:

Doc 1: 1. having a high pitch; a high-pitched voice. 2. marked by or exhibiting strong feeling : agitated; a high-pitched, almost frantic campaign.
Doc 2: Video shows what high-pitched means. Of a sound, having a comparatively high pitch.. High-pitched Meaning. How to pronounce, definition
Doc 3: Meowing is synonymous with cats and is a distinctive and common high-pitched call. Kittens meow to attract their mothers, but in adult cats, the
Doc 4: It's called hypoorhyponatremia. Let's start with hyponatremia first. so it is sodium less than 1:35. and the causes for this is bit obvious.
Doc 5: "High-pitched voice" means that a person has a voice that is "lighter" sounding. Sometimes this can mean "screechy" or "grating" but it occupies