Question: Which disease killed Conrad Hall?
Choices: cystic fibrosis
prostate cancer
gastroesophageal reflux disease
attention deficit hyperactivity disorder
systemic lupus erythematosus
myocardial infarction
peritonitis
bladder cancer
epilepsy
pancreatic cancer
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "disease" . ?e_1 <cause_of_death> ?e . ?e_1 <pred:name> "Conrad Hall" .   }
Program:
function: Find
inputs: Conrad Hall
function: Relate
dependencies: 0
inputs: cause of death
forward
function: FilterConcept
dependencies: 1
inputs: disease
function: What
dependencies: 2
Answer: bladder cancer