Read the following paragraph about the invention of the light bulb:
The electric light bulb was invented by Thomas Edison in 1879. This invention revolutionized daily life by providing safe and reliable artificial light, replacing candles and gas lamps. It allowed people to work and study longer hours, greatly increasing productivity. *Edison also had a factory where he produced phonographs.* The light bulb remains an essential part of modern society.
Which sentence should be removed from the paragraph because it is irrelevant to the description of the light bulb's achievement?
A) The electric light bulb was invented by Thomas Edison in 1879.
B) It allowed people to work and study longer hours, greatly increasing productivity.
C) Edison also had a factory where he produced phonographs.
D) The light bulb remains an essential part of modern society.