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The following are behavioral requirements for an automobile electric window
(1) When the window button is moved into the up position and the window is not fully up the window shall begin to move up
(?) When the window button is moved into the down position and the window is not hilly down, the window shall begin to move down
(3) When the window button is released or the window reaches the fully up or fully down position, the window shall stop moving
(4) Requirements (1-3) apply when the ignition is on. However, turning the ignition off shall lake effect only after the window has stopped moving.
Which state machine diagram fragment describes the required behavior?
A)
B)
C)
D)
E)
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