Question: Lockheed Martin followed which agency?
Choices: Marvel Entertainment
McDonald's
Activision Blizzard
Silver Pictures
Digital Equipment Corporation
United States Department of Housing and Urban Development
Pfizer
Sega
MCA Inc.
Lockheed Corporation
SPARQL: SELECT DISTINCT ?e WHERE { ?e <pred:instance_of> ?c . ?c <pred:name> "agent" . ?e_1 <follows> ?e . ?e_1 <pred:name> "Lockheed Martin" .   }
Program:
function: Find
inputs: Lockheed Martin
function: Relate
dependencies: 0
inputs: follows
forward
function: FilterConcept
dependencies: 1
inputs: agent
function: What
dependencies: 2
Answer: Lockheed Corporation