You could be right. However...
Disagreement
I’m sorry, but...
Disagreement
That's a good point
Agreement
You’re right
Agreement
I don't feel the same
Disagreement
I agree with you 100 percent
Agreement
I’m afraid I disagree
Disagreement
Absolutely not! I don't agree
Disagreement
I couldn’t agree more
Agreement
I see what you are saying, but...
Disagreement
Absolutely
Agreement
Yes, I think so, too.
Agreement
That's not true
Disagreement