Let's assume that you keep refusing to answer it because you can't. In that case, all that means, is that for your definition of
A, there are certain objects X for which X can be said to be
A according to the definition and X can also be said to be
not A according to the definition.
This is in fact fundamentally what it means to not be well-defined (
dictionary definition 3). Checking that a new definition doesn't do this is a regular exercise in mathematical proof (for example, proving that the quotient group is well-defined).
Patently one will never be able to determine the answer to 'is 2 real or is 2 not real' if one cannot in general determine the answer to 'is X
real or is X
not real'.
Don't fool yourself UM, you're refusing to even jump the first basic hurdle and give a consistent definition of 'real'.