What style rule would set the font color of only paragraph two to blue?

<section><p>paragraph one</p></section><p>paragraph two</p>

1. [ ]

   section > p {
     color: blue;
   }

2. [ ]

   p {
     color: blue;
   }

3. [ ]

   section + p {
     color: blue;
   }

4. [ ]

   p + section {
     color: blue;
   }