“…With the advent of computer vision and other sensing technologies, scripts can be learned through visual observation (or through other sensory modalities). Recently, there had been some work done in using computer vision to observe a scene filled with (human and other) activities and construct some kind of AND-OR graphs that capture the possible sequences of activities that can take place (Gupta, Srinivasan, Shi & Davis, 2009;Si, Pei, Yao & Zhu, 2011;Pei, Jia & Zhu, 2011;Tu, Meng, Lee, Choe & Zhu. 2014).…”