What does this signal indicate?

• The traffic on the left-turn lane must come to a complete stop along with the other traffic.
• The traffic on the left-turn lane may turn left while other traffic must come to a complete stop.
  Explanation:

  "When a left-turn green arrow appears for traffic in the left-turn lane, traffic going straight ahead or turning right will usually see a red light. You may turn left from the left-turn lane when you face a green arrow. Vehicles from the opposite direction may also be turning left."
• The traffic on the left-turn lane can go straight along with other traffic.
• None of these