Sentiment Analysis: It's Complicated! - Kian Kenyon-Dean; Eisha Ahmed; Scott Fujimoto; Jeremy Georges-Filteau; Christopher Glasz; Barleen Kaur; Auguste Lalande; Shruti Bhanderi; Robert Belfer; Nirmal Kanagasabai; Roman Sarrazingendron; Rohit Verma; et al. (NAACL-HLT, 2018)