What should you keep in mind if you have to notify the police or emergency medical services about a collision?

• Just tell them the location and nothing else.
• Just tell them about the number of people who are injured.
• Both A and B.
• Be as accurate as you can, especially about the condition of any injured people and the location of the collision.
  Explanation:

  "If it is necessary to notify the police or emergency medical services, be as accurate as you can, especially about the condition of any injured people and the location of the collision."