Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: A country that gave safe house to #Osama Bin #Laden is dangerous if not contained. #Pakistan is a #terror heaven, declare so @BanKimoon_amdg
This tweet contains emotions: 
anger, disgust, fear