<p>I am guessing you can ask yourself ‘What do you see yourself doing at Penn?’ There’s no limit to how many you can write, though quality counts too.</p>
<p>I chose two out of the three, because I’m not sure what research I would be doing. Plus, it leaves more words free to write about academics/extracurriculars.</p>
<p>Basically - show interest in the school. Make the admissions officers know that you have researched specific clubs/classes/programs/professors etc.</p>