Ego TaskQA: UnderstandingHumanTasksin EgocentricVideos

These questions are dividedintofourtypes,includingdescriptive(whatstatus?),predictive(whatwill?), explanatory (what caused?), and counterfactual (what if?) to provide diagnostic analyses onspatial, temporal, and causalunderstandings ofgoal-oriented tasks. We show an illustrative scenario where two subjects collaborate to makeanddrinkcereal.