We couldnt shelter under a desk because there were none and people were just screaming and the lights went flickering off

Can you repeat this sentence, but add in punctuation?
We couldn't shelter under a desk because there were none, and people were just screaming and the lights went flickering off."
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Can you repeat this sentence, but add in punctuation?
You can reject cookies on your computer via the settings in your browser.
The EC consultation will contribute to a better understanding of challenges and consequences of the transition

Can you repeat this sentence, but add in punctuation?
The EC consultation will contribute to a better understanding of challenges and consequences of the transition.