Task: Categorize the tweet's emotional expression, classifying 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 reflect the tweeter's state of mind.
Tweet: It'd probably be useful to more than women, but I'm dealing with re-reading an article about a woman being harassed on the subway.
This tweet contains emotions: 
sadness