Question: What travel is a risk factor for the disease that has UMLS CUI of C0149512?
Choices: Dark Horse Comics
diabetes mellitus
AIDS
air travel
cystic fibrosis
Harry Potter and the Half-Blood Prince
chemotherapy
Battleship
Batman
2008 Tour de France
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "travel" . ?e <risk_factor> ?e_1 . ?e_1 <pred:instance_of> ?c_1 . ?c_1 <pred:name> "disease" . ?e_1 <UMLS_CUI> ?pv . ?pv <pred:value> "C0149512" .   }
Program:
function: FindAll
function: FilterStr
dependencies: 0
inputs: UMLS CUI
C0149512
function: FilterConcept
dependencies: 1
inputs: disease
function: Relate
dependencies: 2
inputs: risk factor
backward
function: FilterConcept
dependencies: 3
inputs: travel
function: What
dependencies: 4
Answer: air travel