history: Recently I lost my dog. I thought he was gone forever. Then I got a visit from a stranger who had my dog with them. I was ecstatic this person had brought me my dog! I was so sad last summer when my dog ran away. I thought I would never see him again.
current: Man, that is so sad.  I don't know what I would do if my dog ran away!  Did you ever find him?
next: Well one day a stranger knocked on my door. I thought I was dreaming when I saw they had my dog with them. I was so happy they had brought Fido home!