Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: My #Fibromyalgia has been really bad lately which is not good for my mental state. I feel very overwhelmed #anxiety #bipolar #depression
This tweet contains emotions: 
fear, sadness