You, casually, not the expert? or
It is very valuable answer or
Absolutely with you it agree. It is good idea. I support you. or
Really. or
It agree, a useful piece or
It is a pity, that now I can not express - I hurry up on job. But I will be released - I will necessarily write that I think on this question. or
In my opinion you are mistaken. Write to me in PM, we will talk. or
In it something is. Many thanks for the information, now I will know. or
I do not know, I do not know or
I think, that you are not right. Let's discuss it. Write to me in PM, we will communicate. or