Which of the following sentences is true according to the passage?
Ifthephonestillworks,onlyuseitwhennecessary.
You'dbettermakeitclearhowandwhereyourfamilywillreuniteifseparatedduringaquakeafterthequakehappens.
Ifyouareindoors,getintotheopen.
Ifyouareinacrowdedpublicplace,avoidpanickinganddorushfortheexit.