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: “Our immigration policy should not aim to change the cultural character and social fabric of Canada, as radical proponents of multiculturalism want.”

There is nothing in that sentence that is either racist or intolerant.  

I think Mr. Ibbetson and a lot of smug "progressives," will be surprised at the next election to learn there is a very large percentage of the population of Canada who agree with this statement.  Too many "progressives," have for too long been listening only to their own echo-chamber.

Non-obscene