QUESTION: Fix punctuation: Donald Knuths parents were Ervin Henry Knuth and Louise Marie Bohning Donalds father Ervin was a school teacher who taught in a Lutheran school
ANS: Donald Knuth's parents were Ervin Henry Knuth and Louise Marie Bohning. Donald's father Ervin was a school teacher who taught in a Lutheran school.

QUESTION: Fix punctuation: What time is it in Boston
ANS: What time is it in Boston?

QUESTION: Fix punctuation: Fast forward to present day and Python with NumPy has become a favorite tool of data scientists
ANS: Fast forward to present day, and Python with NumPy has become a favorite tool of data scientists.

QUESTION: Fix punctuation: Bregenzerwald the perfect holiday region in Austria Navigation Content Activities in Austria
ANS:
Bregenzerwald - the perfect holiday region in Austria Navigation Content Activities in Austria