input: What is the answer to this question? visible light which has a wavelength of between 380 nm and 760 nm is usually?

output: detected by the human eye

input: What is the answer to this question? author of song i have decided to follow jesus?

output: Indian missionary Sadhu Sundar Singh

input: What is the answer to this question? mass moment of inertia of cylinder and thin disc?

output:
h = 0