So...?
How?
Why?
Then...?
Thus...?
Why not...?
I wonder...
If...then
What follows is...
Are you saying...?
Are you suggesting...?
Couldn't it also be...?
What reasons do you have?
Then, the implication is...?
How are you defining the term?
Please clarify with an example...
Is the point you are making...?
What assumptions are you making?
