QUESTION: Fix punctuation: Polarity reversal when Banswer
ANS: Polarity reversal when B-answer

QUESTION: Fix punctuation: I downloaded and extracted the latest portable KeePass 2x version from the official website and opened the folder afterwards on the system
ANS: I downloaded and extracted the latest portable KeePass 2.x version from the official website and opened the folder afterwards on the system.

QUESTION: Fix punctuation: The Spanish red wine tastes like jam and a Frenchman at my table immediately switches to beer looking homesick
ANS: The Spanish red wine tastes like jam, and a Frenchman at my table immediately switches to beer looking homesick.

QUESTION: Fix punctuation: In 1848 he was officially made Court Goldsmith and Maker of Orders but in reality he had been working as such since 1841
ANS:
In 1848 he was officially made "Court Goldsmith and Maker of Orders" but in reality he had been working as such since 1841.