This can happen when two or more characters are having a spirited conversation/argument, are distracted by something insignificant, or otherwise occupied, not noticing that there is an imminent danger. An example would be from Advance Wars: Days of Ruin, when Isabella is trying to convince her sister to flee with her. Meanwhile, a pilot is frantically trying to warn them that the plane they're on is rapidly losing altitude.
Five hats means that five tropers think it is ready to publish.
You are saying that you think this draft is ready to be published. That means the description is not ambiguous,
it doesn't duplicate an existing trope, there are at least three examples, and the title makes sense.