Based on the context and the answer, generate a question. 

Context: " Sure . " " What did you see today ? " I stared at her . " I ' m not getting you . " " I watched the tape . You had some sort of reaction at the same time I had my ... vision . I was wondering what you saw ? " " I did n't see anything .

Answer:

I wanted to see if she had a reaction .



Why did I watch the tape ?