Not clear. Suppose she has a spouse, roommate, son, friend, etc who uses the same computer and since her account is automatically logged in, comments from the s

Not clear. Suppose she has a spouse, roommate, son, friend, etc who uses the same computer and since her account is automatically logged in, comments from the same account. If she could bring someone who would say "Yes, I wrote that on her account" or show that the time of the comment she was teaching or something - I think that would be pretty compelling.