Examlex
Given p is true, q is true, and r is false, find the truth value of the statement.
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Heroin
An opioid drug derived from morphine, known for its highly addictive properties and use as a recreational drug.
Codeine
An opioid pain medication used to treat mild to moderate pain, often prescribed in cough syrups or as part of combination medications.
Mescaline
A psychedelic compound derived from certain cacti, known for its hallucinogenic effects.
Nicotine
Nicotine is a stimulant drug found in tobacco products, known for its addictive properties and effects on the central nervous system.
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