Assertion: iodine | /r/HasProperty | required by the thyroid gland
Facets:
value: in order to produce the thyroid hormones
type: PURPOSE
Source sentences:
text: Iodine is required by the thyroid gland, which produces a number of important hormones that contain the element.
text: Iodine is required by the thyroid gland in order to produce the thyroid hormones.