QUESTION: Fix punctuation: Antivirus Defender 2015 is a rogue antispyware application that employs System Defenders graphic user interface used yet by another fake antivirus program called Spyware Defender
ANS: Antivirus Defender 2015 is a rogue antispyware application that employs System Defender's graphic user interface, used yet by another fake antivirus program called Spyware Defender.

QUESTION: Fix punctuation: View Cart Petito bold has been added to your cart
ANS: View Cart "Petito bold" has been added to your cart.

QUESTION: Fix punctuation: Francesco Brioschi graduated from Pavia in 1845
ANS: Francesco Brioschi graduated from Pavia in 1845.

QUESTION: Fix punctuation: Tagged B G spent between 19151948
ANS:
Tagged B & G spent between 1915-1948