You are given a list of queries separated by new line. Your job is to answer with the query that is the most well-formed or well-structured query in terms of grammar, punctuations, or spelling errors.

When spectroscope was invented ?
What are the property security system in uk ?
How do you change a pool light fixtures ?
What do you call people that study birds ?
What do you call people that study birds ?

Where are seeds developed inside of a sunflowers ?
In what year was the toaster invented in ?
Name the stages of a medium mass star ?
The role that marketing plays in society ?
In what year was the toaster invented in ?

National dance of venezuela ?
What is ecommerce trade cycle ?
What is the most hardest riddle of all time ?
In which country is cotopaxi in ?

In which country is cotopaxi in ?