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