Whilst some emergencies are self evident -LRB- such as a natural disaster which threatens many lives -RRB- , many smaller incidents require the subjective opinion of an observer -LRB- or affected party -RRB- in order to decide whether it qualifies as an emergency .

Even though some emergencies are easy to see , like a natural disaster , many smaller incidents need the opinion of someone who is watching in order to decide whether it is really an emergency .
