instruction:
Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.
question:
area code 701 is an area code for the u.s. state of north dakota.
answer:
area code 701


question:
laurie cunningham is a former football player.
answer:
laurie cunningham


question:
in cryptography, a pre-shared key or psk is a shared secret which was previously shared between the two parties using some secure channel before it is used.
answer:

pre-shared key