Based on the tweet "Codes? Lyft codes? We got em! Use: OATH #Great deals are here for you now  #LOVEISLOVE", categorize the level of joy felt by the author. Select from the following: 0: no joy can be inferred, 1: low amount of joy can be inferred, 2: moderate amount of joy can be inferred, 3: high amount of joy can be inferred.