Fill in the blank (_) in the following sentence from the following choices.
Sentence: The heavy wind and fog made driving difficult, especially in the dark. The _ made the car move too much.

Choice 1: The heavy wind and fog made driving difficult, especially in the dark. The fog made the car move too much.
Choice 2: The heavy wind and fog made driving difficult, especially in the dark. The wind made the car move too much.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
2
1. The fog made the car move too much.