As a traditional news form, in-depth report means that journalists take the practical problems of social development as the main content, report with the scientific method of analysis and interpretation, safeguard public interests and guide public opinion. No matter how defined, in-depth report is inseparable from the two key points of sociality and profundity.
According to the above definition, which of the followings is in-depth reports:
A reporter conducted a systematic investigation on the haze weather and released a half hour news report in the media