Listen+to+there+parents+and+stay+inside+even+though+there+is+nothing+wrong+outside?

Lola and her friend decides to listen to their parents and stay inside the house so nothing bad would happen to them. But all of a sudden the evil aliens came and start attacking there home planet. But there are nobody there to protect them at that point and they had sling-shots. And the aliens hate it hard things on there skin. what should Lola and her friend do?

Throw the sling-shots at them or Or call call their parents and weight for safety