Ideal variant

One god knows!

This situation is familiar to me. Is ready to help.

I understand this question. I invite to discussion.

I apologise, but, in my opinion, you are mistaken.

Absolutely casual concurrence

In my opinion you are mistaken. Let's discuss it.

It not meant it

What magnificent phrase

I congratulate, your idea is useful

It was and with me. Let's discuss this question.

Really.

It agree, the remarkable information

Excuse, I have removed this phrase

This phrase is necessary just by the way