A denier is an argument in which the premises are about the person making a point, and the conclusion is that
A.
they are not entitled to make that point in the context in which they did, so you should not listen to them.
B.
they did not have enough evidence to make that point in the context in which they did, so you should not believe them.
C.
the point that they are making is false.
D.
they are especially entitled to make that point in the context in which they did, so you should pay special attention to them.
E.
they have more than enough evidence to make that point in the context in which they did, so you should be very confident that they are right.
F.
the point that they are making is true.