It is understandable to be mad in this situation because the phone was on top of the car and should not have fallen off, especially since it then shattered
Consider the statement "I am so upset, my phone was on top of my car and it fell off and shattered.". Based on this "I was so mad when my phone, that was on top of my car, suddenly fell off and shattered" a true statement? Yes, no, or I don't know?