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 ?
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Q: Nitrogen and hydrogen are combined at high pressures and temperatures to form what ?
Name of the australian cricket team ?
Year of established of new hampshire ?
What religion was islam given too ?

A: Nitrogen and hydrogen are combined at high pressures and temperatures to form what ?
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Q: Who is the most famous person in frances ?
The best percussionist in the world is ?
What is pshycological stressors ?
What is the economy of Laos ?

A:
What is the economy of Laos ?
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