Anna played distractedly with the two children. She glanced toward the car at the cemetery entrance every now and then, feeling apprehensive. After a while, the door of the car finally opened. Then, Selina and Wayne got out of the car one after another. They looked calm and relaxed. Anna was a little confused. Selina waved toward Tammy and said, "Tammy, are you on summer vacation now? Well, how about you stay at my house for a few days?" Tammy blinked her big eyes at Selina. She looked at Anna and Wayne separately and seemed to have an instant idea. She replied, "Sure! Selina, can I bring Matthew with me?" Selina looked at Matthew for a moment and then felt puzzled. She realized the boy looked somewhat similar to Anna and Tammy, even though he wasn't related to them. Selina looked a