The circuit must be closed to allow the voltage to flow .
(The circuit; must be closed; to allow the voltage to flow) (The circuit; to allow; the voltage to flow) Context(The circuit to allow,List([0, 35))):(the voltage; to flow; )
The circuit to allow,List([0, 35))
The circuit The circuit the voltage
must be closed to allow to flow
to allow the voltage to flow
the voltage to flow