I'll give you a question, please answer with step-by-step reasoning process.
What does someone committing perjury likely doing?\nOptions:\n- great anxiety\n- lies\n- guilt\n- testify\n- object

lies
Someone committing perjury is most likely to say lies, as it is a serious offence of wilfully telling an untruth under oath in court.

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So, the final answer is lies