3. Which one of the following is a key issue of logic-based architectures? (5 marks) A) There are no established mechanisms to make deductions from a set of given beliefs B) The potential of multiple behaviours running in parallel might require another entity to moderate which behaviour to activate. C) The complexity of a problem domain could require a long time to deliberate. D) There is no accepted language to represent realistic problems. E) It only enables the agent to react to events from the environment