Multi-choice problem: Choose from the options at the end, and answer how do you do this: To prepare the spinach to make spinach ricotta filling.

Choose from:
1). Blanch the 10 oz package of spinach for 1 minutes. Drain into a colander and cool under cold running water. Squeeze as much water out from the spinach and then chop them up.;
2). Blanch the 10 oz package spinach for 1 minutes. Drain into a colander and cool under hot running water. Squeeze as much water out from the spinach and then chop them up.;
1).