Please answer the following question by reasoning step-by-step.
The lawyer explained what committing perjury was, this was big case with high what?\nOptions:\n- arrest\n- shame\n- risk\n- tension\n- penalty

tension
This was a big case with high tension and strain.

The lawyer explained about perjury so that witnesses do not lie under oath and there is no mistrial of the big case.

.

The final answer: tension