Fill in the blank (_) in the following sentence from the following choices.
Sentence: Jeffrey raised Derrick's fish for many years. _ was more responsible with the pet fish.

Choice 1: Jeffrey raised Derrick's fish for many years. Jeffrey was more responsible with the pet fish.
Choice 2: Jeffrey raised Derrick's fish for many years. Derrick was more responsible with the pet fish.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
2.