2. שמואל learns from the פסוק of "ואם היו תהיה לאיש ונדריה עליה" that: a) if the 1st husband heard the נדר, and on the same day she was divorced and married a different husband, the new husband cannot be מפר the נדר. b) if the 1st husband heard the נדר, and on the same day she was divorced and married a different husband, the new husband can be מפר the נדר. c) the 2nd husband can only be מפר the נדר if the 1st husband was not מקיים it. d) the 2nd husband can be מפר the נדר even without the father