QUESTION: Fix punctuation: I EFR heard him lecture at the University of Warwick in 1977
ANS: I (EFR) heard him lecture at the University of Warwick in 1977.

QUESTION: Fix punctuation: Arthur was educated at Loreto Convent where like his sister he showed considerable musical talent winning a prize for his playing of the piano
ANS: Arthur was educated at Loreto Convent where, like his sister, he showed considerable musical talent, winning a prize for his playing of the piano.

QUESTION: Fix punctuation: Any symbol except the Bonus symbol may appear in any stack
ANS: Any symbol, except the Bonus symbol, may appear in any stack.

QUESTION: Fix punctuation: Weapons Big set of modern firearms worldwide changes tactics only weapons first class nothing to do with mass production
ANS:
Weapons: Big set of modern firearms worldwide, changes tactics. only weapons first class, nothing to do with mass production.