Problem: Text: The term conservative force comes from the fact that when a conservative force exists, it conserves mechanical energy. The most familiar conservative forces are gravity, the electric force (in a time-independent magnetic field, see Faraday's law), and spring force.

Question: is the force of a spring a conservative force?

OPTIONS:
- no
- yes
A: yes

Problem: Text: By Curtis's own admission the conception of the idea ''was a slow growth''. The genesis of the idea came when Curtis was eating lunch with a friend and the subject of happiness came up. Upon admitting he was not truly happy in life, the conversation turned towards him describing an ideal day. From here Curtis realized that the day of the lunch, for him, constituted such a day, which led to him deciding to write a film about ''how you achieve happiness in ordinary life''. Thinking that the concept was too ''simple'' he decided to add a time travel element to the film.

Question: is the movie about time based on a book?

OPTIONS:
- no
- yes
A: no

Problem: Text: A default gateway is the node in a computer network using the Internet Protocol Suite that serves as the forwarding host (router) to other networks when no other route specification matches the destination IP address of a packet.

Question: is the gateway the same as the ip address?

OPTIONS:
- no
- yes
A:
no