answer: David tells #Person1# the woman in the picture is his aunt Joanna who's a biologist. David introduces her work.
documents: #Person1#: David, the woman in this picture holding an animal, is this at a zoo or in a garden?
  #Person2#: No. The woman in the picture is my aunt Joanna. She took that picture in the mountains.
  #Person1#: What does she do?
  #Person2#: She's a biologist. She studies animal species that are brought into our state from other states or countries. Because of her work, she often travels around the world.
  #Person1#: Her work sounds very interesting.
  #Person2#: Yes, but it's not easy. She often has to sleep in the wild.