Assertion: codeine | /r/AtLocation | the class of drugs
Facets:
Source sentences:
text: It is in the class of drugs known as opioids, which refers to any synthetic, semisynthetic, or natural drug that has morphine-like properties.
text: It is in the class of drugs known as opioids, which refers to any synthetic, semisynthetic, or natural drug that has morphine-like properties.