Question: What does the `NOT_FULFILLED` status of an intent's fulfilmentStatus field indicate, and what is its default associated notFulfilledState?
Option 1: The intent is being partially fulfilled; Default notFulfilledState: COMPLIANT
Option 2: The MnS producer has not yet confirmed the intent's fulfilment; Default notFulfilledState: ACKNOWLEDGED
Option 3: The intent has been terminated due to non-compliance; Default notFulfilledState: TERMINATED
Option 4: The MnS consumer is evaluating the intent's outcome; Default notFulfilledState: DEGRADED
Explanation: The `NOT_FULFILLED` status indicates that the MnS producer has not yet confirmed that the actions undertaken meet the requirements stated by the MnS consumer, essentially meaning the fulfilment process is ongoing or has not been satisfied. The default associated notFulfilledState for any new intent (until further assessment) is indeed `ACKNOWLEDGED`, signifying the initial state after the intent has been received, prior to any feasibility checks or attempts at fulfilment.