I'll post the questions that I receive as well as my answers here. Questions will also appear in the "comments" as well.
Was the man scary to everyone?- No
Did the man have any weapons?- No
Was the man in the mask going to hurt the other man?-No
Did the man not like the man in the mask? Does not compute
Did the man in the scare him? -No
Was man with the mask going to get hurt by someone else and not the other man? -No
Was the man with the mask sick so the other man was afraid to leave him? -No
Was the man in the mask someone he knew? -Yes
Was there something about the man with the mask that the man without the mask was afraid of? -No
Did the two men not like each other? -Does not compute
Did they know each other? -Yes
Was the man in a mask for a reason?-Yes
Good questions so far- keep up the good work and you will solve it!