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: The Zika #Hoax Files: DEET is part of a binary chemical weapon targeting your brain: #Toxin  #neurological #USCitizens #Insect #mammal
This tweet contains emotions: 
fear, sadness