In this task you will be given a question and a passage. You need to determine if the answer to the question is contained in the passage. If the answer can be found in the passage you should output 'True'. If the answer cannot be found in the passage you should output 'False'.

Passage: 'Green sand is an aggregate of sand, bentonite clay, pulverized coal and water. Its principal use is in making molds for metal casting. The largest portion of the aggregate is always sand, which can be either silica. There are many recipes for the proportion of clay, but they all strike different balances between moldability, surface finish, and ability of the hot molten metal to degas. The coal, typically referred to in as sea-coal, which is present at a ratio of less than 5%, partially combusts in the surface of the molten metal leading to offgassing of organic vapors.'. Question: 'what are the main constituents of moulding sand'.
True

Passage: 'Howard University (HU or simply Howard) is a federally chartered, private, coeducational, nonsectarian, historically black university (HBCU) in Washington, D.C. It is categorized by the Carnegie Foundation as a research university with higher research activity and is accredited by the Middle States Commission on Higher Education.'. Question: 'where is howard university located city and state'.
True

Passage: 'In medicine, a port is a small medical appliance that is installed beneath the skin. A catheter connects the port to a vein. Under the skin, the port has a septum through which drugs can be injected and blood samples can be drawn many times, usually with less discomfort for the patient than a more typical 'needle stick'.'. Question: 'the total amount of all u.s. government deficits is known as'.

False