11.   The girl laughed, hopped on the bike, waved goodbye to her school friends and they roared off.

12.   The girls laughed nervously through parts of the workshop, but they grew quiet when Hernandez shifted the discussion to her own life.

13.   The girls laugh.

14.   The two girls laugh.

15.   When he turned and smiled, a preschool-aged girl laughed and hugged her parents, because they came to see him, and he saw them.