Staying in your lane while maintaining integrity

When people vent to me, I try to hold space and listen without giving advice. However, if in my mind I am totally disagreeing with them and want to point out their choice to feel how they do, or their choice to indulge in the drama, or their chose to limit their options to solve the vented problem. This makes me feel like I am lying by being silent. However, I know it is not my place to jump into their problem. This happens at work a lot. Coworkers complain constantly. I am not sure how to deal with this