Question: What agent follows the Digital Equipment Corporation?
Choices: BBC
Cleveland Institute of Music
Sega
CBS Corporation
McDonald's
Pfizer
Viacom
Silver Pictures
Hewlett-Packard
Southwest Airlines
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "agent" . ?e <follows> ?e_1 . ?e_1 <pred:name> "Digital Equipment Corporation" .   }
Program:
function: Find
inputs: Digital Equipment Corporation
function: Relate
dependencies: 0
inputs: follows
backward
function: FilterConcept
dependencies: 1
inputs: agent
function: What
dependencies: 2
Answer: Hewlett-Packard