If a car seat is being used onboard for a child over 2 years then the booking can be made on our website but you will need to contact us to add the car seat details and allocate a suitable seat onboard

Can you repeat this sentence, but add in punctuation?
If a car seat is being used onboard for a child over 2 years then the booking can be made on our website, but you will need to contact us to add the car seat details and allocate a suitable seat onboard.
5 And strangers shall stand and feed your flocks and the sons of the alien shall be your plowmen and your vinedressers

Can you repeat this sentence, but add in punctuation?
5 And strangers shall stand and feed your flocks, and the sons of the alien shall be your plowmen and your vinedressers.
We can now return to the commentary in The Lancet Its closing statement says that if the four authors ever succeed in establishing an excessive mortality as a result of antioxidants they will have to find out which antioxidants is the villain

Can you repeat this sentence, but add in punctuation?
We can now return to the commentary in The Lancet. Its closing statement says that if the four authors ever succeed in establishing an excessive mortality as a result of "antioxidants" they will have to find out which antioxidant(s) is the villain.