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