Read the chart carefully, then answer the question located beneath.

A chart contains boxes that show parts of a paragraph. The first box contains the word Introduction, with dangers of texting too much written underneath. Under the box that says introduction, there are two more boxes side by side. In the left box it says main fact 1, body paragraph with topic sentence written underneath. In the right box it says main fact 2, body paragraph with A person who texts too much can put others at risk written underneath. Under the box for main fact 1 is another box that says supporting details. In that box are bulleted items that say stiff neck from constant looking down at phone, texting thumb numbness from overuse, and eyestrain can cause headaches and dry eyes. Under the box that says main fact 2 is another box that says supporting details. There are no additional details listed in this box. Below all of the boxes, in the middle, is one final box that says conclusion with thesis recap and call to action written underneath.

Based on the supporting details for Main Fact 1, which topic sentence would you expect to read?