TaskSp <cite>Iida et al. (2011)</cite> used 14 task-specific features, three of which they found to be the most informative in their model. Here, we will only use the two most informative features as properties (the third one, whether or not an object was being manipulated at the beginning of the RE, did not improve results in a held-out test): the object that was most recently moved received the most recent move property and objects that have the mouse cursor over them received the mouse pointed property (see Figure 2 ; object 4 would receive both of these properties, but only for the duration that the mouse was actually over it).