Premise: Twentieth Century Fox Home Entertainment LLC (formerly Twentieth Century Fox Home Entertainment, Inc., doing business as 20th Century Fox Home Entertainment) is the home video distribution arm of the 20th Century Fox film studio. It was established in 1977 as Magnetic Video and was later known as 20th Century Fox Video, CBS/Fox Video and FoxVideo, Inc.
Hypothesis: Twentieth Century Fox Home Entertainment LLC has been operating under a variety of names since it's establishment in 1977.