You are given a paragraph, a question and some answer options (associated with "A", "B", "C", "D", etc.) You need to list all the correct answer options with their associated letters (e.g. "A" can be a valid answer). Note that sometimes, more than one option can answer the question correctly and completely. In those cases, please generate all such options separated by a comma (e.g. "A, B" is a valid answer). Do not generate anything else apart from one or more of the following characters: 'A', 'B, 'C', 'D', etc.

Paragraph- Sent 1: Lucy is an eight year old girl who lives with her parents and pet bird.
Sent 2: One Saturday afternoon, she sits at the kitchen table.
Sent 3: She draws a picture of her family.
Sent 4: She makes sure to draw her mom named Martha wearing a purple dress, because that is her favorite.
Sent 5: She draws many yellow feathers for her pet bird named Andy.
Sent 6: After she is done, she gives the picture to her mom.
Sent 7: Her mom hangs it up on the silver refrigerator.
Sent 8: The next day, Lucy's mom comes home with a brown dog named Oliver.
Sent 9: She tells Lucy that she is pet-sitting, which is like babysitting but with a friend's dog.
Sent 10: Lucy's mom tells her she can play with the dog as long as she takes good care of him.
Sent 11: Lucy is excited.
Sent 12: She pets Oliver nicely on his soft back.
Sent 13: He wags his tail.
Sent 14: He barks, "Woof!"Sent 15: and shows he wants to play fetch with her.
Sent 16: Lucy giggles and throws a ball for him to catch.
Sent 17: She wishes her bird could play like this with her every day!. 
Question: Who says "woof" and wants to play fetch? (A) The bird (B) Martha (C) Andy (D) Oliver (E) Lucy.
D.