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 type of hormone is thyrotropin releasing hormone?" whose answer is tropic, tripeptidal.
Each document should contain about 30 words, and these documents should contain useful information.

Query: type of hormone thyrotropin releasing hormone
Useful Output:

Doc 1: The two main hormones your thyroid releases — thyroxine (T4) and triiodothyronine (T3) — collectively make up thyroid hormone.
Doc 2: Thyrotropin-releasing hormone (TRH) is a hormone produced by the hypothalamus which plays an important role in the regulation of thyroid gland
Doc 3: Thyrotropin binds to specific receptors on the surface of cells in the thyroid gland. This binding stimulates the breakdown of thyroglobulin.
Doc 4: Thyroid hormones are made by the thyroid gland. The thyroid gland makes and releases two thyroid hormones: thyroxine (T4) and triiodothyronine (T3). The
Doc 5: Thyroid Stimulating Hormone (TSH) is produced and released into the bloodstream by the pituitary gland. It stimulates the production of the thyroid hormones,