Vice President Kamala Harris appeared incredulous during former President Donald Trump’s answers on China during Tuesday’s presidential debate — raising her eyebrows, lowering her chin and mouthing “that’s not true” to his answer.

After Trump said China “bought their chips from Taiwan,” Harris held her mouth agape and shook her head. She continued shaking her head as Trump said she’s adopted some of his policies. When Trump called her a “Marxist,” Harris raised her eyebrows and tilted her head back.

When Trump referred to Harris’ father as a Marxist, Harris brought her hand to her chin to pantomime contemplative thought.

Harris’ campaign pushed to have the mics unmuted during the debate but was unsuccessful.