The third condition, and also the most important one.
It is that the person's failure to fulfill a specific duty by inaction results in harmful consequences, meaning there is a causal relationship between the inaction and the harmful result.
For example.
A husband, after his wife gets into a car accident, does not call for emergency assistance despite having a phone, internet, and signal.
Ultimately...
Resulting in the wife missing the critical rescue time and dying.
This is a clear causal relationship.
Because...
During that time, as long as the husband called for emergency help, there was a high probability he could save his wife's life.
In another situation.
Someone is about to drown, A hurriedly goes to grab a life buoy nearby.
When he is about to throw the buoy to the person, he realizes it's his personal enemy who had fallen into the water.
So...
A takes back the buoy, watches coldly, and sees the person drown.
