QUESTION: Fix punctuation: Userfriendly booking tool that will display the most convenient flights and multiple fare options for attendees
ANS: User-friendly booking tool that will display the most convenient flights and multiple fare options for attendees.
QUES: Work done under the Overselfs inspiration can never be tedious but will always be satisfying

correct the punctuation.

CORRECTED: Work done under the Overself's inspiration can never be tedious but will always be satisfying.
Question: On the left Mlynarska Street A Protestant Cemetery from 1792
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Answer: On the left: Mlynarska Street. A Protestant Cemetery from 1792.
Follow after you must increase the number

Can you repeat this sentence, but add in punctuation?
Follow after - you must increase the number.
input: For example they published On the summability of Fourier series two papers On a theorem of HahnSteinhaus On a theorem of Paley and Wiener On the theory of linear integral equations
fixed: For example they published: On the summability of Fourier series (two papers), On a theorem of Hahn-Steinhaus, On a theorem of Paley and Wiener, On the theory of linear integral equations.
The right hat on the hook

Can you repeat this sentence, but add in punctuation?
The right hat on the hook!