You are given a sentence and your task is to generate another sentence that supports the given input.

Input: Consider Input: How the Thyroid Functions The thyroid gland operates as part of a feedback mechanism involving the hypothalamus and the pituitary gland.

Output: The thyroid gland is controlled by a negative feedback loop that includes the hypothalamus and pituitary gland.


Input: Consider Input: An electrical circuit is a network consisting of a closed loop, giving a return path for the current.

Output: Because charges must have an unbroken path to follow, electric current cannot flow through a material unless it forms a closed loop.


Input: Consider Input: In lakes and impoundments, and occasionally in streams, nitrogen may be the limiting nutrient and control the growth of algae and other aquatic plants, thus, using dissolved oxygen and blocking the penetration of sunlight which is needed for the growth of submerged aquatic vegetation (SAV);


Output: Besides the concentration of dissolve oxygen and nutrients in the water, the availability of sunlight limits aquatic organisms.


