“…Early work by (Hatzivassiloglou, et al, 2000) found that the presence and type of certain terms like adjectives can be used to indicate whether a sentence is being subjective or objective. Other parts of speech have been found to be useful in Sentiment Analysis, such as adverbs ( (Benamara, et al, 2007), (Taboada, et al, 2011)) nouns (Nasukawa, et al, 2003), and verbs (Wiebe, et al, 2004), or all three, ( (Volkova, et al, 2013), (Jmal, et al, 2013), (Subrahmanian, et al, 2008)) as these types of words have been found to play an important role in Sentiment Analysis.…”