 Foot argues that the analogy has a devastating fault. There is a morally significant difference between unhooking someone from one’s own body, which does not involve initiating a fatal causal sequence, since the person was already in the grips of a fatal condition before being hooked up to us, and abortion, which does initiate a fatal sequence. Foot believes that this makes abortion seem like Rescue II, whereas the unhooking of the violinist is like Rescue I. As Foot puts it, 