QUESTION: Fix punctuation: The cowherd said It must have run away The peasant however said Dont tell me that and led the cowherd before the mayor who for his carelessness condemned him to give the peasant a cow for the calf which had run away
ANS: The cow-herd said, "It must have run away." The peasant, however, said, "Don't tell me that," and led the cow-herd before the mayor, who for his carelessness condemned him to give the peasant a cow for the calf which had run away.

QUESTION: Fix punctuation: To begin your free file analysis simply draganddrop your BS1 file inside the dotted lines below or click Browse My Computer and select your file
ANS: To begin your free file analysis, simply drag-and-drop your BS1 file inside the dotted lines below, or click "Browse My Computer" and select your file.

QUESTION: Fix punctuation: The Danish artist is also preparing a complaint that they were almost treated like criminals and that according to good Chinese tradition their lawyer Albert Ho was denied access to the airport
ANS: The Danish artist is also preparing a complaint that they were almost treated like criminals and that according to 'good' Chinese tradition their lawyer, Albert Ho, was denied access to the airport.

QUESTION: Fix punctuation: Financial markets particularly some sovereignbond segments remain fragile and damaging negative feedback loops cannot be totally excluded
ANS:
Financial markets, particularly some sovereign-bond segments, remain fragile, and damaging negative feedback loops cannot be totally excluded.