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