Task: Determine the prevailing emotional tone of the tweet, categorizing 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 most accurately represent the tweeter's mental state.
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