You are given a passage. Using the information present in the passage, you need to classify it into one of the 10 topics: 0 - 'Society & Culture', 1 - 'Science & Mathematics', 2 - 'Health', 3 - 'Education & Reference', 4 - 'Computers & Internet', 5 - 'Sports', 6 - 'Business & Finance', 7 - 'Entertainment & Music', 8 - 'Family & Relationships', 9 - 'Politics & Government'.

Ex Input:
The product tour link below should help you with this question.

Ex Output:
4

Ex Input:
When we tickle ourselves, our mind knows in advance that is supposed to happen. So we develop some sort of a defence to counter the effect of the tickle.
When somebody else tickles us suddenly our body is not prepared for that change of state.

Even if u hit urself (not too hard) it pains lesser than when some body else hits u suddenly.

Ex Output:
1

Ex Input:
Yes. I believe the original idea was to build a rocket base from which to explore the solar system. But somebody realised the same thing could be done from Earth via an orbiting space station for a fraction of the cost.
The only other reasons for going to the moon were -
1. To stop the Russians setting up a military base there.
2. To collect moon rocks.
When the US realised that a Russian moon base wasn't practical, and they had souvenired as many moon rocks as they were ever likely to need, they never bothered to go back.

Ex Output:
1