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]: What are the different relationships of an ecosystem ?
How many songs has Avril Lavign san ?
Business cycle in 1920 and 1930 ?
How did Nelson Mandela played in abolishing apartheid ?
[A]: What are the different relationships of an ecosystem ?


[Q]: How much money does dental technician earn in australia ?
What is the property of a fluid that represents its resistansce to flow ?
What is the slowest swimming animalin the world ?
Why is calcium inportant ?
[A]: What is the property of a fluid that represents its resistansce to flow ?


[Q]: What are cities in antartica ?
How many centimeters is 5 inchs ?
Most common igneous rock of the contunents us ?
How many people are dead of aids ?
[A]:
How many people are dead of aids ?