Question: How are the Wurlitzer electric piano and the United States of America related?
Choices: country
significant event
spouse
executive producer
office held by head of state
employer
child
lyrics by
location of discovery
product or material produced
SPARQL: SELECT DISTINCT ?p WHERE { ?e_1 <pred:name> "Wurlitzer electric piano" . ?e_2 <pred:name> "United States of America" . ?e_1 ?p ?e_2 .  }
Program:
function: Find
inputs: Wurlitzer electric piano
function: Find
inputs: United States of America
function: QueryRelation
dependencies: 0
1
Answer: country