Question: A virus is the source of how many food ingredient items?
Choices:
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Answer: 0
SPARQL: SELECT (COUNT(DISTINCT ?e) AS ?count) WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "food ingredient" . ?e_1 <this_taxon_is_source_of> ?e . ?e_1 <pred:name> "virus" .   }
Program:
function: Find
inputs: virus
function: Relate
dependencies: 0
inputs: this taxon is source of
forward
function: FilterConcept
dependencies: 1
inputs: food ingredient
function: Count
dependencies: 2