How do wet road conditions affect your braking/stopping distance, and what should you do?

• Wet roads decrease braking/stopping distance, so follow more closely.
• Wet roads do not affect braking/stopping distance.
• Wet roads increase braking/stopping distance, so increase your following distance.
  Explanation:

  "Wet road conditions increase your braking/stopping distance, so you must increase your following distance."
• Wet roads increase braking/stopping distance, so decrease your following distance.