A good samaritan asked me if I was alright , I said to him " I do n't know . " and was wobbly , he immediately called 911 and had me sit down . I was pretty light headed and felt a little cold .

Question: What may be a reason for the other person calling 911 ?
Answer: They were concerned for the speaker .The speaker was not responsive .None of the above choices .The speaker had passed out .