Assertion: magnetic field's field line | /r/CapableOf | run to south pole of a magnet
Facets:
value: from the north
type: LOCATION
value: from through the magnet
type: MANNER
value: always
type: TEMPORAL
value: by definition
type: OTHER
Source sentences:
text: By definition, magnetic field lines always run from the north to the south pole of a magnet and from there through the magnet back to the north pole, which creates a closed circle.