Recently, an unprecedented amount of false information has been flooding the Internet with aims ranging from affecting individual people's beliefs and decisions (Mihaylov et al., 2015;Mihaylov and Nakov, 2016) to influencing major events such as political elections (Vosoughi et al., 2018).
manual fact checking has emerged with the promise to support accurate and unbiased analysis of rumors spreading in social medias, as well as of claims made by public figures or news media.