a head chef stares uncertainly at an unfamiliar spice jar with no label, holding it up to smell it. She scratches her head while trying to figure out what seasoning it contains based on the aroma alone. Without knowing for sure, she tentatively sprinkles a small amount into the simmering pot. The kitchen staff around her watch nervously as she tastes the dish with a spoon. Her facial expression shows she's making her best estimate about the mystery ingredient. The sous chef nearby shrugs his shoulders, equally unsure about the unknown spice. the process of trying to find an answer by guessing when you do not have enough information to be certain