Read the following premise and pick the correct choice. Then, respond with which of the choices is correct.
Premise: The doctor x-rayed the patient's arm.

Choice 1: He discovered that the patient's arm was broken.
Choice 2: He put the patient's arm in a cast.
Which of the choices is correct? Respond with only "1" or "2" and no additional text.
1
1. The doctor discovered that the patient's arm was broken. The x-ray procedure is used to diagnose injuries or diseases, and