Task: Class Definition Understanding (ontology: Sciences/Biology)

Which of the following definitions best describes 'silent film'?

A. Video priarily offered over the internet.
B. A film that dramatizes the life of a non-fictional or historically-based person or people. Such films show the life of a historical person and the central character's real name is used.
C. A film with no synchronized recorded sound (and in particular, no audible dialogue).
D. A film that attempts to succeed financially by exploiting current trends, niche genres, or lurid content. Exploitation films are generally low-quality "B movies". They sometimes attract critical attention and cult followings. Some of these films, such as Night of the Living Dead (1968), set trends and became historically important.

Answer: A film with no synchronized recorded sound (and in particular, no audible dialogue).