Fill in the blank (_) in the following sentence from the following choices.
Sentence: Sally continued to pour the water into the from the pot to the tank until the _ was full.

Choice 1: Sally continued to pour the water into the from the pot to the tank until the tank was full.
Choice 2: Sally continued to pour the water into the from the pot to the tank until the pot was full.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1. The correct answer is "tank".