Task: Assess the emotional content of the tweet and classify it as either 'neutral or no emotion' or as one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best represent the tweeter's mental state.
Tweet: @stephenfhayes Mustard gas = hostile work environment, not #terrorism; call #OSHA not #military
This tweet contains emotions: 
anger, fear