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.
Diseases. Diseases that affect the digestive tract can cause large, bulky, often foul-smelling stools. Disorders such as celiac disease, which affects digestion of foods that contain gluten, or cystic fibrosis, which affects the production of enzymes that break down food, can both cause larger than normal stools.