Bosses seem to hate being forced to reason out the answer, even if it should be readily apparent from what you said.
If you're annoyed and want to annoy them back, you can do the reasoning for them to point out how simple it is, e.g. "three days from now is Thursday" or "not being able to speak would make meetings useless, therefore I will not be able to take any."
If you're annoyed and want to annoy them back, you can do the reasoning for them to point out how simple it is, e.g. "three days from now is Thursday" or "not being able to speak would make meetings useless, therefore I will not be able to take any."