Question: Which organization appoints the Vice President of the United States in rare cases?
Choices: Hamburger SV
NBCUniversal
United States Senate
Academy of Television Arts & Sciences
Pfizer
Vigor Shipyards
McDonald's
E. W. Scripps Company
BBC
United States Department of the Air Force
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "organization" . ?e_1 <appointed_by> ?e . ?e_1 <pred:name> "Vice President of the United States" .  [ <pred:fact_h> ?e_1 ; <pred:fact_r> <appointed_by> ; <pred:fact_t> ?e ] <nature_of_statement> ?qpv . ?qpv <pred:value> "rarely" .  }
Program:
function: Find
inputs: Vice President of the United States
function: Relate
dependencies: 0
inputs: appointed by
forward
function: QFilterStr
dependencies: 1
inputs: nature of statement
rarely
function: FilterConcept
dependencies: 2
inputs: organization
function: What
dependencies: 3
Answer: United States Senate