If any person existed to whom he couldn't say no, she was the one.

A person can exist here only during the span of his natural life.

Some of them don't believe such a person exists, or ever did.

However, there is no evidence that such a person existed.

I think he found it hard to believe that another person might exist.

If such a person does not exist, you might be forced to bring someone in from the outside.

There is no reason to believe that any such person existed.

It took them a while to accept the idea that such a person existed.

One would hear that such a person existed, but it was impossible to read him.

Does this person even exist at a game in the Stadium?