Analyze the following tweet to determine the level of fear expressed. The levels are: 0: no fear can be inferred, 1: low amount of fear can be inferred, 2: moderate amount of fear can be inferred, 3: high amount of fear can be inferred.
Tweet: House sitting for MIL. Feeding baby @ 3.45 and cat starts scratching at door. Mummy now needs a nappy :S #terrified #NeverAgain #nope