input: What is the answer to this question? who sings the original i wear my sunglasses at night?

output: Corey Hart

input: What is the answer to this question? who does the voice for slinky in toy story?

output: James Albert Varney Jr.

input: What is the answer to this question? the ability of an instrument of actually measure what it is intended to measure is known as?

output:
Construct validity