TASK DEFINITION: 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.
PROBLEM: Light emitting diod mean ?
How did Nelson Mandela played in abolishing apartheid ?
How big is nano technology ?
Why is genome sequencing important ?

SOLUTION: Why is genome sequencing important ?

PROBLEM: Where should you get a cheap formal dress ?
The height of a door in m ?
How do you say princess in all the different languages ?
After 40hrs a week-overtime pay ?

SOLUTION: How do you say princess in all the different languages ?

PROBLEM: Helium gas eliment or compound ?
US government 's failed attempt to start a revolution in Cuba ?
Names of people in figure skating ?
How many kw of energy does a clothes dryer use in a week ?

SOLUTION:
How many kw of energy does a clothes dryer use in a week ?