Typical tasks include selecting answers from a set of candidates (Fossati et al., 2013), marking text passages that contain specific semantic roles (Feizabadi and Padó, 2014), and constructing question-answer pairs (He et al., 2015(He et al., , 2016.
as the correctness column in Table 6 shows, the selection of tasks by TaSKROUTER is more appropriate for the crowd in general.