Question: What does old age have to do with brain tumors?
Choices: medical condition
copyright holder
risk factor
father
software engine
interests
patron saint
signatory
candidate
location of discovery
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "old age" . ?e_2 <pred:name> "brain tumor" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: old age
function: Find
inputs: brain tumor
function: QueryRelation
dependencies: 0
1
Answer: risk factor