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: What do striped possums drink ?
The forms tones and contrasts of painting by using dots of primary color is called ?
Where do you get the hm that contains surf ?
Statute of limitations in civil court for writing a bad check in florida ?

A: What do striped possums drink ?
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Q: What das spanis peple wer ?
Who did the immigration quota system discriminate against ?
What is the normal limits of pulse rates ?
How many wings does flys have ?

A:
Who did the immigration quota system discriminate against ?
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