Question: What medication is the opposite of an over-the-counter drug?
Choices:
antibiotic
copper
Scotland national football team
over-the-counter drug
analgesic
iron
Seattle University
prescription drug
Merian C. Cooper
Josh Schwartz
Answer: prescription drug
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "medication" . ?e <opposite_of> ?e_1 . ?e_1 <pred:name> "over-the-counter drug" .   }
Program:
function: Find
inputs: over-the-counter drug
function: Relate
dependencies: 0
inputs: opposite of
backward
function: FilterConcept
dependencies: 1
inputs: medication
function: What
dependencies: 2