[Q]: North Korea says to restart nuclear reactor
North Korea Offers Talks: Complex May Re-Open

[A]: 4

[Q]: A dog licks a baby.
A dog is licking a baby.

[A]: 5

[Q]: adherence to non-proliferation obligations will enhance mutual trust and foster international cooperation in nuclear energy.
zhang yan stated that all countries should abide by non-proliferation obligations in order to enhance mutual trust and create a sound environment for international cooperation in nuclear energy.

[A]:
3