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

QUESTION: Fix punctuation: Check rates and availability for Qianmen Courtyard Hotel Then proceed to booking
ANS: Check rates and availability for Qianmen Courtyard Hotel. Then proceed to booking.

QUESTION: Fix punctuation: Please ensure you arrange a visa flights and a hotel corresponding to these dates If you are using fresh sperm we advise you to arrive in St Petersburg 2 days before the Egg Collection is planned
ANS: Please ensure you arrange a visa, flights and a hotel corresponding to these dates. If you are using fresh sperm, we advise you to arrive in St. Petersburg 2 days before the Egg Collection is planned.

QUESTION: Fix punctuation: EU legislation on urban waste water treatment dates back to 1991 but provided long implementation deadlines
ANS:
EU legislation on urban waste water treatment dates back to 1991, but provided long implementation deadlines.