Head to Head contact on pass in End Zone

[MD Longhorn]

Originally Posted by Robert E. Harrison

Fed Rules: Ball on 7 yard line 3rd and goal. Pass to End Zone where defender and ball arrive simultaneously on incomplete pass with helmet to helmet contact and a penalty flag is thrown for personal foul on the contact by the defender.

A) Half the distance to goal and 1st down

B) Half the distance to the goal 4th down

C) Something else?

Thanks,
Not a football official

C - Ball on 7 yard line, 4th and goal.
Or, if the helmet to helmet contact is illegal -
C - Half the distance and THIRD down.

Neither A nor B can be right in any case.