Just because a flight crew member is leaning out of the plane's cockpit window trying to clean the windshield, it does not necessarily mean that the person is using a rag.


Context: "A flight crew member is leaning out of the plane's cockpit window trying to clean the windshield."
Hypothesis: Someone is trying to clean the windshield with a rag.
Based on the context, is the hypothesis true, false, or unknown?