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: My prayers are with the family, friends &amp; members of @VCFD  as you mourn the loss of Engineer Ryan Osler. #LODD #RIP
This tweet contains emotions: 
sadness