Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: We Built a Fake News & Click-bait Filter: What Happened Next Will Blow
  Your Mind!   It is completely amazing! Fake news and click-baits have totally invaded the
cyber space. Let us face it: everybody hates them for three simple reasons.
Reason #2 will absolutely amaze you. What these can achieve at the time of
election will completely blow your mind! Now, we all agree, this cannot go on,
you know, somebody has to stop it. So, we did this research on fake
news/click-bait detection and trust us, it is totally great research, it really
is! Make no mistake. This is the best research ever! Seriously, come have a
look, we have it all: neural networks, attention mechanism, sentiment lexicons,
author profiling, you name it. Lexical features, semantic features, we
absolutely have it all. And we have totally tested it, trust us! We have
results, and numbers, really big numbers. The best numbers ever! Oh, and
analysis, absolutely top notch analysis. Interested? Come read the shocking
truth about fake news and click-bait in the Bulgarian cyber space. You won't
believe what we have found!

10
The categories of this paper are: q-bio
16
The categories of this paper are: stat
13
The categories of this paper are: quant-ph
2
The categories of this paper are: math
26
The categories of this paper are: bayes-an
5
The categories of this paper are: gr-qc
17
The categories of this paper are: q-fin
22
The categories of this paper are: chao-dyn
31
The categories of this paper are: ao-sci
23
The categories of this paper are: solv-int
0
The categories of this paper are: hep-ph
36
The categories of this paper are: cmp-lg
27
The categories of this paper are: comp-gas
15
The categories of this paper are: nucl-ex
30
The categories of this paper are: q-alg
32
The categories of this paper are: atom-ph