An attorney for the shareholder challenging Elon Musk’s Tesla compensation plan repeatedly reminded Musk Wednesday that he wasn’t running his own cross examination.

“You understand the words ‘yes’ and ‘no’ and ‘I don’t know,’ correct?” asked Gregory Varallo of Bernstein Litowitz Berger & Grossmann when Musk said the questions Varallo was asking were too complex to be answered without elaboration.