You are given a passage. Using the information present in the passage, you need to classify it into one of the 10 topics: 0 - 'Society & Culture', 1 - 'Science & Mathematics', 2 - 'Health', 3 - 'Education & Reference', 4 - 'Computers & Internet', 5 - 'Sports', 6 - 'Business & Finance', 7 - 'Entertainment & Music', 8 - 'Family & Relationships', 9 - 'Politics & Government'.

Example input: 	Optical mice use an LED and a camera to rapidly
capture images of the surface beneath the mouse.
The infomation from the camera is analyzed by a
DSP (Digital Signal Processor) and used to detect
imperfections in the underlying surface and
determine motion. Some materials, such as glass,
mirrors or other very shiny, uniform surfaces
interfere with the ability of the DSP to
accurately analyze the surface beneath the mouse.
\nSince glass is transparent and very uniform, the
mouse is unable to pick up enough imperfections in
the underlying surface to determine motion.
Mirrored surfaces are also a problem, since they
constantly reflect back the same image, causing
the DSP not to recognize motion properly. When the
system is unable to see surface changes associated
with movement, the mouse will not work properly.
Example output: 4
Example explanation: The passage talks about optical mice or mouse throughout which is a part of computer system. Thus, it is correctly classified to "Computers & Internet" 
Q: Yes.  He murdered four people in cold blood.  Volumes of evidence were presented proving his guilt.  Even the 9th Federal Circuit Court of Appeals, proven to be the most liberal, anti-death-penalty court in the nation, could not find sufficient cause to nullify the verdict.  He received his fair trial, his fair appeals process.  He continuously professed his innocence to delay (for nearly 30 years) his sentence, nothing more.  He capitalized on the fact that American society, with it's EXTREMELY short attention span, would forget the horrific crimes he committed.  He gambled on the possibility that we would forget what he did, become desensitized to it, and dismiss the jury's decision overly harsh.  Some arguing in his defense tried to portray the jury as a bunch of racist white rich folks intent on "murdering another innocent black man" (it wasn't all-white, check the record).  Fortunately, all of the right people saw through his charade, and ended his shennanigans, permanently.
A:
9