Correct Answer - Option 4 : News
The logic followed is:
News is information about current events. This may be provided through many different media: word of mouth, printing, postal systems, broadcasting, electronic communication, or through the testimony of observers and witnesses to events.
Option 1 - Advertisement
It is not always necessary to present in the news program. Without it also a news program can be run.
Option 2 - Cartoon
It is not always necessary to present in the news program. Without it also a news program can be run.
Option 3 - Jokes
It is not always necessary to present in the news program. Without it also a news program can be run.
Option 4 - News
So the most important thing a news program always has is the news. Without it, there is no sense of news program.
Hence, the correct answer is "News".
