Fake News Detection vs. Sentiment analysis. Which area has future scope with DL algorithms?

Which area is having future scope for research concern? Fake News Detection or Sentiment analysis of product review.

please make sure you have recheck your post, although I was sure about the header to change from feke to fake, I am unsure if I should change feature scope to future scope in the header from the explanation part although it does look like, I didn’t do the correct as I am not sure your aim is features highlight for an algorithm or future scope!!!