QUESTION: Fix punctuation: For men using sexual enhancement medicine are a perfect way for you to boost sexual concerns
ANS: For men, using sexual enhancement medicine are a perfect way for you to boost sexual concerns.
QUES: Every week hundreds of tourists arriving to the airport of Ireland hire cars there in order to travel around the country We will assist you in choosing the best offers for the dates you need and hiring a car in Ireland With the help of carsscanner you will receive access both to the world famous passenger car rental agencies in Ireland and to local companies with excellent service

correct the punctuation.

CORRECTED: Every week hundreds of tourists arriving to the airport of Ireland hire cars there in order to travel around the country. We will assist you in choosing the best offers for the dates you need and hiring a car in Ireland. With the help of cars-scanner you will receive access both to the world famous passenger car rental agencies in Ireland and to local companies with excellent service.
Question: This is natural for the boldest steps forward were taken in a field which was long reserved for theoretical study which was promoted mainly and even almost exclusively in theory
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Answer: This is natural, for the boldest steps forward were taken in a field which was long reserved for theoretical study, which was promoted mainly, and even almost exclusively, in theory.
In the case that your DS file doesnt open it is highly likely that you do not have the correct software application installed on your PC to view or edit DS file extensions

Can you repeat this sentence, but add in punctuation?
In the case that your DS file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit DS file extensions.
input: Share great holiday memories with friends and family Its easy
fixed: Share great holiday memories with friends and family . It's easy.
Allergen Free English online dictionary based on WordNet 30

Can you repeat this sentence, but add in punctuation?
Allergen - Free English online dictionary based on WordNet 3.0