Determine how strongly fear is expressed in the following tweet. Use the scale: 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: @christyfrink @stephenyeargin @El_Brandino I once hooked them up backward. Not recommended. #smoke
0: no fear can be inferred