Read the following premise and pick the correct choice. Then, respond with which of the choices is correct.
Premise: The child caught a life-threatening illness.

Choice 1: She didn't get vaccinated.
Choice 2: She was adopted.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1. This choice does not logically follow the premise, but it is a common cause of life-threatening illnesses in children