Assertion: magnetic field | /r/HasProperty | trained with sugar rewards
Facets:
value: to go toward the magnetic field
type: PURPOSE
Source sentences:
text: The flies with the human cryptochromes showed sensitivity to the magnetic fields — either avoiding them as they might naturally do if not acclimated to the magnetism, or showing a preference for the magnetized arm of the maze when trained with sugar rewards to go toward the magnetic field.