Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: @FoxNews Very thought provoking &amp; leads one to question what really happened.Very sad for all.
This tweet contains emotions: 
sadness