Add punctuation: Many Art Nouveau attractions such as Belvedere Palace with works by Gustav Klimt the Stadtpark designed by Otto Wagner and the Secession building are within a short walk of the Konzerthaus Hotel
A: Many Art Nouveau attractions, such as Belvedere Palace with works by Gustav Klimt, the Stadtpark designed by Otto Wagner, and the Secession building are within a short walk of the Konzerthaus Hotel.

Add punctuation: Some PAE file extension formats can be opened in binary format only
A: * Some PAE file extension formats can be opened in binary format only.

Add punctuation: You need to take them for 2 MONTHS no matter whether you will be working out or not Then after 2 months you ought to take merely over a week off prior to starting again
A:
You need to take them for 2 MONTHS no matter whether you will be working out or not. Then after 2 months you ought to take merely over a week off prior to starting again.