Fill in the blank (_) in the following sentence from the following choices.
Sentence: James needs another pot for the flower as it grows. The _ is getting too big.

Choice 1: James needs another pot for the flower as it grows. The flower is getting too big.
Choice 2: James needs another pot for the flower as it grows. The pot is getting too big.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2.