input with options: Q: What is one method to observe nebulae?   A:
output: telescope

input with options: Q: The white fluffy part of popcorn is also what?   A:
output: endosperm

input with options: Q: What is each half of the cerebrum called?   A:
output: a hemisphere

input with options: Q: What are the gas giants mostly made of .   A:
output:
hydrogen and helium