Complex sentence: So make sure that your dog is safe at night he definitely is near your dog! an unnamed sourse says "it is full of insest" but we will not know for a couple of years if that is true of not.
Split into simpler sentences: So make sure that your dog is safe at night he definitely is near your dog! An unnamed sourse says "it is full of insest" but we will not know for a couple of years if that is true of not.