Based on the given tweet, determine the level of joy the author is experiencing. Choose from the following options: 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.
Tweet: Yesterday , on 21 Sept. 2016 , i installed a new stratagem including audacity by rejoicing at Harbour tower,i will tenaciously follow up up.
0: no joy can be inferred