Given a comment text in Tamil, classify the comment into one of these categories (i) Hope speech, if it contains encouraging, positive or supportive contents about equality, diversity or inclusion, (ii) Not Hope Speech or (iii) Not in Expected Language, if the text is not Tamil.

Let me give you an example: Spr Ithan sariyana valli
The answer to this example can be: Hope Speech
Here is why: The given text contains content that is encouraging, positive or supportive contents and talks about equality, diversity or inclusion and is in expected language - tamil

OK. solve this:
Its immune system
Answer:
Not in Expected Language