 CONT: When Lai is sitting at the table with a drink in her hands and  her father slaps her, the cup and its contents fall to the right. In  the next shot of the table, the cups on the right and the spillage  is on the left. In the final shot the spillage is on the right  again, yet the cup has moved closer to Lias hands without being  handled. Also, she begins spilling the cup before he hits her, even  though she doesnt really move till he hits her.