Question: How many medications are the opposite of the medicine that opposes prescription drug?
Choices:
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Answer: 1
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "medication" . ?e <opposite_of> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "medication" . ?e_1 <opposite_of> ?e_2 . ?e_2 <pred:name> "prescription drug" .   }
Program:
function: Find
inputs: prescription drug
function: Relate
dependencies: 0
inputs: opposite of
backward
function: FilterConcept
dependencies: 1
inputs: medication
function: Relate
dependencies: 2
inputs: opposite of
backward
function: FilterConcept
dependencies: 3
inputs: medication
function: Count
dependencies: 4