QUESTION: Fix punctuation: While the time frame varies browser by browser all major browser developers announced the end of NPAPI support
ANS: While the time frame varies browser by browser, all major browser developers announced the end of NPAPI support.

QUESTION: Fix punctuation: wife Japanese wife blowjob Japanese
ANS: wife, Japanese wife, blowjob, Japanese

QUESTION: Fix punctuation: The sun is a big ball of fire gases
ANS: The sun is a big ball of fire gases.

QUESTION: Fix punctuation: Zermelo made other fundamental contributions to axiomatic set theory which were partly a consequence of the criticism of his first major contribution to the subject and partly because set theory began to become an important research topic at Gttingen The set theory paradoxes first appeared around 1903 with the publication of Russell s paradox
ANS:
Zermelo made other fundamental contributions to axiomatic set theory which were partly a consequence of the criticism of his first major contribution to the subject and partly because set theory began to become an important research topic at Gottingen. The set theory paradoxes first appeared around 1903 with the publication of Russell 's paradox.