Assertion: iodine | /r/CapableOf | play major role
Facets:
Source sentences:
text: It plays a major role in the role of the functioning of the thyroid, a gland that helps controls a variety of body functions, such as metabolizing the nutrients in food into usable energy, as well as guiding the body through the different stages of development.
text: Iodine plays a major role in the functioning of the thyroid gland.