QUESTION: Fix punctuation: For that purpose the supervisory authorities shall cooperate with each other and the Commission in accordance with Chapter VII
ANS: For that purpose, the supervisory authorities shall cooperate with each other and the Commission in accordance with Chapter VII.

QUESTION: Fix punctuation: The 20 inches childrens bike with 3 gearshifting has antislip pedals handlebars grips avoiding slipping off of hands adjustable brake grips and complete lights corresponding to traffic regulations
ANS: The 20 inches children's bike with 3 gearshifting has anti-slip pedals, handlebars grips, avoiding slipping off of hands, adjustable brake grips, and complete lights, corresponding to traffic regulations.

QUESTION: Fix punctuation: British outdoor pissing milf big tits
ANS: British, outdoor, pissing, milf, big tits

QUESTION: Fix punctuation: Two Cherry symbols quadruple the payout of any combination they complete
ANS:
Two Cherry symbols quadruple the payout of any combination they complete.