Question: I am a movie director and I just received the following movie plot. Could you help me answer this question? If not, let me know by writing "Not answerable". Plot title: Teeth Movie plot: Dawn O'Keefe (Jess Weixler) is a teenage spokesperson for a Christian abstinence group called The Promise in some small Midwest town. She attends groups with her two friends, Alisha (Julia Garro) and Phil (Adam Wagner). One evening after giving her speech talking about the purity ring those in the group wear and what it means, she is introduced to Tobey (Hale Appleman) and finds him attractive. The four begin going out as a group, and Dawn has fantasies of marrying Tobey, although after acknowledging the attraction they agree that they cannot spend time together.One day, Dawn and Tobey and their friends meet at a local swimming lake. After swimming together, Dawn and Tobey go in to a cave to get warm and begin kissing. Dawn gets uncomfortable and tries to get them to go back. Tobey then attempts to force sex on Dawn, who panics and tries to push him off. Tobey becomes aggressive and shakes Dawn, resulting in her smacking her head on the ground. While she is recovering from disorientation, Tobey takes this as his chance to begin raping her. Dawn fights back and inadvertently bites off his penis with her vagina. Horrified, he stumbles away and she flees the scene. After a Promise meeting, she meets her classmate Ryan (Ashley Springer) at a dance; they talk, and he drops her off at her home.Dawn drops her purity ring off of a cliff and even goes back to the swimming hole, only causing her to scream in horror because a freshwater crab was crawling on Tobey's penis. She then researches the so-called myth of "vagina dentata" (teeth in her vagina) and realizes she may have it. Then, she visits a gynecologist, Dr. Godfrey (Josh Pais) in an attempt to find out what is happening to her. Finding out that she has never visited a gynecologist before, he takes advantage of her and molests her under the pretense of performing a test. Crying out in pain, she panics and her vagina bites off four of the fingers on his right hand.On her way back, she sees a police officer driving Tobey's car, who demands that she pull over to... My question: Who attacks Bill?
Answer:
Brad's dog