Sentence examples for are the grounds from inspiring English sources

When does a sentence B follow from a sentence A? (For example, from 'Some human is an animal' one may infer 'Some animal is a human'.) What are the grounds for the relation of entailment/consequence? Are there different kinds of consequences?

These are the grounds for her lawsuit.

And what are the grounds?

What are the grounds for your complaint?

To the right are the grounds of Lemmington Hall.

What are the grounds for distrusting it so?

"Here are the ground rules," I said.

Those are the ground rules.

These are the ground rules.

Our words are the ground note.

Okay, these are the ground rules.