Sentence 1: Sandra was discussing a problem on a forum with other posters. 
 Sentence 3: Misunderstanding, a moderator publicly reprimanded one of the members 
 Sentence 4:  When Sandra objected to the public rebuke, she was banned 
 Sentence 5:  That is how Sandra found out that moderators are dictators 
 Option 1: The members were trying to help her but she logged off before seeing all of the advice. 
 Option 2: The members were trying to help each other work through the problem.