Did you tell it that it was being given a logic test? Unfortunately a lot of logic questions can lead to outcomes like this, where the "obvious" or "real" answe

Did you tell it that it was being given a logic test? Unfortunately a lot of logic questions can lead to outcomes like this, where the "obvious" or "real" answer is not the one implied by strict logical reasoning. Then when people give answers useful in the real world, they are marked as having failed.