A liquidated damages clause sets an amount in a contract in the event of a breach. A liquidated damages clause isn't a penalty, though it may sound like one. A penalty is usually disproportionate to the actual harm, and is meant to punish or deter breaching a contract.
Acidic stools can be caused from absorption problems from the diet and foods you eat. Some people have acidic stools as a result of a lactose intolerance.
Infections that affect the intestines may also cause foul-smelling stools. One infection called gastroenteritis occurs after ingesting food that has been contaminated with E. coli and Salmonella, as well as certain other viruses, bacteria, or parasites.