Question: Does Wynton Marsalis' brother or sister go by the Twitter handle bmarsalis ?
Choices:
yes
no
unknown
unknown
unknown
unknown
unknown
unknown
unknown
unknown
Answer: yes
SPARQL: ASK { ?e <pred:instance_of> ?c . ?c <pred:name> "human" . ?e_1 <sibling> ?e . ?e_1 <pred:name> "Wynton Marsalis" .  ?e <Twitter_username> ?pv . ?pv <pred:value> "bmarsalis" .  }
Program:
function: Find
inputs: Wynton Marsalis
function: Relate
dependencies: 0
inputs: sibling
forward
function: FilterConcept
dependencies: 1
inputs: human
function: QueryAttr
dependencies: 2
inputs: Twitter username
function: VerifyStr
dependencies: 3
inputs: bmarsalis