Which one of the following is the dimension of the given matrix? 
Definitions:
Philadelphia
A historic city in Pennsylvania, United States, known for its rich history, including Independence Hall and the Liberty Bell.
Latham Loop
A mechanism in a film projector that loosens the film to prevent it from breaking due to tension.
Motion Picture Patents Company
An early 20th-century trust made up of the major American film companies that aimed to control the film industry through patents and legal actions.
Multi-Reel Films
Refers to movies composed of more than one reel, allowing for longer and more complex storytelling in cinema.
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