Definition: In this task, you are given a public comment from online platforms. You are expected to classify the comment into two classes: obscene and non-obscene. A comment is obscene if it is considered offensive to the public sense of decency, for example because it too obviously relates to sex or contains language regarded as taboo in polite usage.
Input: Comment: Metaphor?  This from his speech in Arizona: “On Day One, we will begin working on an impenetrable, physical, tall, powerful, beautiful southern border wall.  We will use the best technology, including above- and below-ground sensors. That’s the tunnels. Remember that. Above and below. Above- and below- ground sensors, towers, aerial surveillance and manpower to supplement the wall..."

The man is delusional.  Mentally ill.  And the people that believe the 'wall talk' are simpletons.

Non-obscene