Using the tweet "@Skyscanner horrified to learn that I cant change/exchange by flight to Lisbon 6 weeks before departure!!!! #omegaflightstore £200 #awful", determine how much fear is shown. The categories 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.